diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index 9b30166..6f2f6d4 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -32,12 +32,12 @@
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_name('pass-')
         for i in range(2):
-            _, cls.project = cls.client.create_project(
+            cls.project = cls.client.create_project(
                 data_utils.rand_name('project-'),
                 description=data_utils.rand_name('project-desc-'))
             cls.projects.append(cls.project['id'])
 
-        _, cls.user_body = cls.client.create_user(
+        cls.user_body = cls.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=cls.projects[0])
 
@@ -55,7 +55,7 @@
     def test_credentials_create_get_update_delete(self):
         keys = [data_utils.rand_name('Access-'),
                 data_utils.rand_name('Secret-')]
-        _, cred = self.creds_client.create_credential(
+        cred = self.creds_client.create_credential(
             keys[0], keys[1], self.user_body['id'],
             self.projects[0])
         self.addCleanup(self._delete_credential, cred['id'])
@@ -66,7 +66,7 @@
 
         new_keys = [data_utils.rand_name('NewAccess-'),
                     data_utils.rand_name('NewSecret-')]
-        _, update_body = self.creds_client.update_credential(
+        update_body = self.creds_client.update_credential(
             cred['id'], access_key=new_keys[0], secret_key=new_keys[1],
             project_id=self.projects[1])
         self.assertEqual(cred['id'], update_body['id'])
@@ -75,7 +75,7 @@
         self.assertEqual(update_body['blob']['access'], new_keys[0])
         self.assertEqual(update_body['blob']['secret'], new_keys[1])
 
-        _, get_body = self.creds_client.get_credential(cred['id'])
+        get_body = self.creds_client.get_credential(cred['id'])
         for value1 in self.creds_list[0]:
             self.assertEqual(update_body[value1],
                              get_body[value1])
@@ -89,14 +89,14 @@
         fetched_cred_ids = list()
 
         for i in range(2):
-            _, cred = self.creds_client.create_credential(
+            cred = self.creds_client.create_credential(
                 data_utils.rand_name('Access-'),
                 data_utils.rand_name('Secret-'),
                 self.user_body['id'], self.projects[0])
             created_cred_ids.append(cred['id'])
             self.addCleanup(self._delete_credential, cred['id'])
 
-        _, creds = self.creds_client.list_credentials()
+        creds = self.creds_client.list_credentials()
 
         for i in creds:
             fetched_cred_ids.append(i['id'])
diff --git a/tempest/api/identity/admin/v3/test_default_project_id.py b/tempest/api/identity/admin/v3/test_default_project_id.py
index 8ffd1ed..bd29cb8 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -35,13 +35,13 @@
     def test_default_project_id(self):
         # create a domain
         dom_name = data_utils.rand_name('dom')
-        _, domain_body = self.client.create_domain(dom_name)
+        domain_body = self.client.create_domain(dom_name)
         dom_id = domain_body['id']
         self.addCleanup(self._delete_domain, dom_id)
 
         # create a project in the domain
         proj_name = data_utils.rand_name('proj')
-        _, proj_body = self.client.create_project(proj_name, domain_id=dom_id)
+        proj_body = self.client.create_project(proj_name, domain_id=dom_id)
         proj_id = proj_body['id']
         self.addCleanup(self.client.delete_project, proj_id)
         self.assertEqual(proj_body['domain_id'], dom_id,
@@ -51,9 +51,9 @@
         # create a user in the domain, with the previous project as his
         # default project
         user_name = data_utils.rand_name('user')
-        _, user_body = self.client.create_user(user_name, password=user_name,
-                                               domain_id=dom_id,
-                                               default_project_id=proj_id)
+        user_body = self.client.create_user(user_name, password=user_name,
+                                            domain_id=dom_id,
+                                            default_project_id=proj_id)
         user_id = user_body['id']
         self.addCleanup(self.client.delete_user, user_id)
         self.assertEqual(user_body['domain_id'], dom_id,
@@ -79,6 +79,6 @@
 
         # verify the user's token and see that it is scoped to the project
         token, auth_data = admin_client.auth_provider.get_auth()
-        _, result = admin_client.identity_v3_client.get_token(token)
+        result = admin_client.identity_v3_client.get_token(token)
         self.assertEqual(result['project']['domain']['id'], dom_id)
         self.assertEqual(result['project']['id'], proj_id)
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index 286ef97..c1bc705 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -34,14 +34,14 @@
         domain_ids = list()
         fetched_ids = list()
         for _ in range(3):
-            _, domain = self.client.create_domain(
+            domain = self.client.create_domain(
                 data_utils.rand_name('domain-'),
                 description=data_utils.rand_name('domain-desc-'))
             # Delete the domain at the end of this method
             self.addCleanup(self._delete_domain, domain['id'])
             domain_ids.append(domain['id'])
         # List and Verify Domains
-        _, body = self.client.list_domains()
+        body = self.client.list_domains()
         for d in body:
             fetched_ids.append(d['id'])
         missing_doms = [d for d in domain_ids if d not in fetched_ids]
@@ -51,7 +51,7 @@
     def test_create_update_delete_domain(self):
         d_name = data_utils.rand_name('domain-')
         d_desc = data_utils.rand_name('domain-desc-')
-        _, domain = self.client.create_domain(
+        domain = self.client.create_domain(
             d_name, description=d_desc)
         self.addCleanup(self._delete_domain, domain['id'])
         self.assertIn('id', domain)
@@ -69,7 +69,7 @@
         new_desc = data_utils.rand_name('new-desc-')
         new_name = data_utils.rand_name('new-name-')
 
-        _, updated_domain = self.client.update_domain(
+        updated_domain = self.client.update_domain(
             domain['id'], name=new_name, description=new_desc)
         self.assertIn('id', updated_domain)
         self.assertIn('description', updated_domain)
@@ -81,7 +81,7 @@
         self.assertEqual(new_desc, updated_domain['description'])
         self.assertEqual('true', str(updated_domain['enabled']).lower())
 
-        _, fetched_domain = self.client.get_domain(domain['id'])
+        fetched_domain = self.client.get_domain(domain['id'])
         self.assertEqual(new_name, fetched_domain['name'])
         self.assertEqual(new_desc, fetched_domain['description'])
         self.assertEqual('true', str(fetched_domain['enabled']).lower())
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 6044d2b..eed0eb5 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -30,7 +30,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        _, cls.service_data =\
+        cls.service_data =\
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description)
         cls.service_id = cls.service_data['id']
@@ -41,7 +41,7 @@
             region = data_utils.rand_name('region')
             url = data_utils.rand_url()
             interface = 'public'
-            resp, endpoint = cls.client.create_endpoint(
+            endpoint = cls.client.create_endpoint(
                 cls.service_id, interface, url, region=region, enabled=True)
             cls.setup_endpoints.append(endpoint)
 
@@ -56,7 +56,7 @@
     @test.attr(type='gate')
     def test_list_endpoints(self):
         # Get a list of endpoints
-        _, fetched_endpoints = self.client.list_endpoints()
+        fetched_endpoints = self.client.list_endpoints()
         # Asserting LIST endpoints
         missing_endpoints =\
             [e for e in self.setup_endpoints if e not in fetched_endpoints]
@@ -69,7 +69,7 @@
         region = data_utils.rand_name('region')
         url = data_utils.rand_url()
         interface = 'public'
-        _, endpoint =\
+        endpoint =\
             self.client.create_endpoint(self.service_id, interface, url,
                                         region=region, enabled=True)
         # Asserting Create Endpoint response body
@@ -77,13 +77,13 @@
         self.assertEqual(region, endpoint['region'])
         self.assertEqual(url, endpoint['url'])
         # Checking if created endpoint is present in the list of endpoints
-        resp, fetched_endpoints = self.client.list_endpoints()
+        fetched_endpoints = self.client.list_endpoints()
         fetched_endpoints_id = [e['id'] for e in fetched_endpoints]
         self.assertIn(endpoint['id'], fetched_endpoints_id)
         # Deleting the endpoint created in this method
         self.client.delete_endpoint(endpoint['id'])
         # Checking whether endpoint is deleted successfully
-        resp, fetched_endpoints = self.client.list_endpoints()
+        fetched_endpoints = self.client.list_endpoints()
         fetched_endpoints_id = [e['id'] for e in fetched_endpoints]
         self.assertNotIn(endpoint['id'], fetched_endpoints_id)
 
@@ -94,7 +94,7 @@
         region1 = data_utils.rand_name('region')
         url1 = data_utils.rand_url()
         interface1 = 'public'
-        resp, endpoint_for_update =\
+        endpoint_for_update =\
             self.client.create_endpoint(self.service_id, interface1,
                                         url1, region=region1,
                                         enabled=True)
@@ -103,7 +103,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        _, service2 =\
+        service2 =\
             self.service_client.create_service(s_name, s_type,
                                                description=s_description)
         self.service_ids.append(service2['id'])
@@ -111,7 +111,7 @@
         region2 = data_utils.rand_name('region')
         url2 = data_utils.rand_url()
         interface2 = 'internal'
-        _, endpoint = \
+        endpoint = \
             self.client.update_endpoint(endpoint_for_update['id'],
                                         service_id=service2['id'],
                                         interface=interface2, url=url2,
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index 4308d44..9da0a57 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -33,7 +33,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        _, cls.service_data = (
+        cls.service_data = (
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description))
         cls.service_id = cls.service_data['id']
@@ -71,7 +71,7 @@
         region1 = data_utils.rand_name('region')
         url1 = data_utils.rand_url()
         interface1 = 'public'
-        resp, endpoint_for_update = (
+        endpoint_for_update = (
             self.client.create_endpoint(self.service_id, interface1,
                                         url1, region=region1, enabled=True))
         self.addCleanup(self.client.delete_endpoint, endpoint_for_update['id'])
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 3f2069d..64dba7d 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -29,21 +29,21 @@
     def test_group_create_update_get(self):
         name = data_utils.rand_name('Group')
         description = data_utils.rand_name('Description')
-        _, group = self.client.create_group(name,
-                                            description=description)
+        group = self.client.create_group(name,
+                                         description=description)
         self.addCleanup(self.client.delete_group, group['id'])
         self.assertEqual(group['name'], name)
         self.assertEqual(group['description'], description)
 
         new_name = data_utils.rand_name('UpdateGroup')
         new_desc = data_utils.rand_name('UpdateDescription')
-        _, updated_group = self.client.update_group(group['id'],
-                                                    name=new_name,
-                                                    description=new_desc)
+        updated_group = self.client.update_group(group['id'],
+                                                 name=new_name,
+                                                 description=new_desc)
         self.assertEqual(updated_group['name'], new_name)
         self.assertEqual(updated_group['description'], new_desc)
 
-        _, new_group = self.client.get_group(group['id'])
+        new_group = self.client.get_group(group['id'])
         self.assertEqual(group['id'], new_group['id'])
         self.assertEqual(new_name, new_group['name'])
         self.assertEqual(new_desc, new_group['description'])
@@ -51,31 +51,31 @@
     @test.attr(type='smoke')
     def test_group_users_add_list_delete(self):
         name = data_utils.rand_name('Group')
-        _, group = self.client.create_group(name)
+        group = self.client.create_group(name)
         self.addCleanup(self.client.delete_group, group['id'])
         # add user into group
         users = []
         for i in range(3):
             name = data_utils.rand_name('User')
-            _, user = self.client.create_user(name)
+            user = self.client.create_user(name)
             users.append(user)
             self.addCleanup(self.client.delete_user, user['id'])
             self.client.add_group_user(group['id'], user['id'])
 
         # list users in group
-        _, group_users = self.client.list_group_users(group['id'])
+        group_users = self.client.list_group_users(group['id'])
         self.assertEqual(sorted(users), sorted(group_users))
         # delete user in group
         for user in users:
             self.client.delete_group_user(group['id'],
                                           user['id'])
-        _, group_users = self.client.list_group_users(group['id'])
+        group_users = self.client.list_group_users(group['id'])
         self.assertEqual(len(group_users), 0)
 
     @test.attr(type='smoke')
     def test_list_user_groups(self):
         # create a user
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             data_utils.rand_name('User-'),
             password=data_utils.rand_name('Pass-'))
         self.addCleanup(self.client.delete_user, user['id'])
@@ -83,11 +83,11 @@
         groups = []
         for i in range(2):
             name = data_utils.rand_name('Group-')
-            _, group = self.client.create_group(name)
+            group = self.client.create_group(name)
             groups.append(group)
             self.addCleanup(self.client.delete_group, group['id'])
             self.client.add_group_user(group['id'], user['id'])
         # list groups which user belongs to
-        _, user_groups = self.client.list_user_groups(user['id'])
+        user_groups = self.client.list_user_groups(user['id'])
         self.assertEqual(sorted(groups), sorted(user_groups))
         self.assertEqual(2, len(user_groups))
diff --git a/tempest/api/identity/admin/v3/test_list_projects.py b/tempest/api/identity/admin/v3/test_list_projects.py
index 2065de3..c0187f9 100644
--- a/tempest/api/identity/admin/v3/test_list_projects.py
+++ b/tempest/api/identity/admin/v3/test_list_projects.py
@@ -28,23 +28,23 @@
         cls.data.setup_test_domain()
         # Create project with domain
         cls.p1_name = data_utils.rand_name('project')
-        _, cls.p1 = cls.client.create_project(
+        cls.p1 = cls.client.create_project(
             cls.p1_name, enabled=False, domain_id=cls.data.domain['id'])
         cls.data.projects.append(cls.p1)
         cls.project_ids.append(cls.p1['id'])
         # Create default project
         p2_name = data_utils.rand_name('project')
-        _, cls.p2 = cls.client.create_project(p2_name)
+        cls.p2 = cls.client.create_project(p2_name)
         cls.data.projects.append(cls.p2)
         cls.project_ids.append(cls.p2['id'])
 
     @test.attr(type='gate')
     def test_projects_list(self):
         # List projects
-        resp, list_projects = self.client.list_projects()
+        list_projects = self.client.list_projects()
 
         for p in self.project_ids:
-            _, get_project = self.client.get_project(p)
+            get_project = self.client.get_project(p)
             self.assertIn(get_project, list_projects)
 
     @test.attr(type='gate')
@@ -64,6 +64,6 @@
         self._list_projects_with_params({'name': self.p1_name}, 'name')
 
     def _list_projects_with_params(self, params, key):
-        resp, body = self.client.list_projects(params)
+        body = self.client.list_projects(params)
         self.assertIn(self.p1[key], map(lambda x: x[key], body))
         self.assertNotIn(self.p2[key], map(lambda x: x[key], body))
diff --git a/tempest/api/identity/admin/v3/test_list_users.py b/tempest/api/identity/admin/v3/test_list_users.py
index 70c8ec6..e728867 100644
--- a/tempest/api/identity/admin/v3/test_list_users.py
+++ b/tempest/api/identity/admin/v3/test_list_users.py
@@ -26,7 +26,7 @@
         # assert the response based on expected and not_expected
         # expected: user expected in the list response
         # not_expected: user, which should not be present in list response
-        _, body = self.client.get_users(params)
+        body = self.client.get_users(params)
         self.assertIn(expected[key], map(lambda x: x[key], body))
         self.assertNotIn(not_expected[key],
                          map(lambda x: x[key], body))
@@ -40,13 +40,13 @@
         cls.data.setup_test_domain()
         # Create user with Domain
         u1_name = data_utils.rand_name('test_user')
-        _, cls.domain_enabled_user = cls.client.create_user(
+        cls.domain_enabled_user = cls.client.create_user(
             u1_name, password=alt_password,
             email=cls.alt_email, domain_id=cls.data.domain['id'])
         cls.data.v3_users.append(cls.domain_enabled_user)
         # Create default not enabled user
         u2_name = data_utils.rand_name('test_user')
-        _, cls.non_domain_enabled_user = cls.client.create_user(
+        cls.non_domain_enabled_user = cls.client.create_user(
             u2_name, password=alt_password,
             email=cls.alt_email, enabled=False)
         cls.data.v3_users.append(cls.non_domain_enabled_user)
@@ -78,7 +78,7 @@
     @test.attr(type='gate')
     def test_list_users(self):
         # List users
-        _, body = self.client.get_users()
+        body = self.client.get_users()
         fetched_ids = [u['id'] for u in body]
         missing_users = [u['id'] for u in self.data.v3_users
                          if u['id'] not in fetched_ids]
@@ -89,7 +89,7 @@
     @test.attr(type='gate')
     def test_get_user(self):
         # Get a user detail
-        _, user = self.client.get_user(self.data.v3_users[0]['id'])
+        user = self.client.get_user(self.data.v3_users[0]['id'])
         self.assertEqual(self.data.v3_users[0]['id'], user['id'])
         self.assertEqual(self.data.v3_users[0]['name'], user['name'])
         self.assertEqual(self.alt_email, user['email'])
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index e7fd2b5..2cf6458 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -26,14 +26,14 @@
         # Create project with a description
         project_name = data_utils.rand_name('project-')
         project_desc = data_utils.rand_name('desc-')
-        _, project = self.client.create_project(
+        project = self.client.create_project(
             project_name, description=project_desc)
         self.data.projects.append(project)
         project_id = project['id']
         desc1 = project['description']
         self.assertEqual(desc1, project_desc, 'Description should have '
                          'been sent in response for create')
-        _, body = self.client.get_project(project_id)
+        body = self.client.get_project(project_id)
         desc2 = body['description']
         self.assertEqual(desc2, project_desc, 'Description does not appear'
                          'to be set')
@@ -43,13 +43,13 @@
         # Create project with a domain
         self.data.setup_test_domain()
         project_name = data_utils.rand_name('project')
-        resp, project = self.client.create_project(
+        project = self.client.create_project(
             project_name, domain_id=self.data.domain['id'])
         self.data.projects.append(project)
         project_id = project['id']
         self.assertEqual(project_name, project['name'])
         self.assertEqual(self.data.domain['id'], project['domain_id'])
-        _, body = self.client.get_project(project_id)
+        body = self.client.get_project(project_id)
         self.assertEqual(project_name, body['name'])
         self.assertEqual(self.data.domain['id'], body['domain_id'])
 
@@ -57,13 +57,13 @@
     def test_project_create_enabled(self):
         # Create a project that is enabled
         project_name = data_utils.rand_name('project-')
-        _, project = self.client.create_project(
+        project = self.client.create_project(
             project_name, enabled=True)
         self.data.projects.append(project)
         project_id = project['id']
         en1 = project['enabled']
         self.assertTrue(en1, 'Enable should be True in response')
-        _, body = self.client.get_project(project_id)
+        body = self.client.get_project(project_id)
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
 
@@ -71,13 +71,13 @@
     def test_project_create_not_enabled(self):
         # Create a project that is not enabled
         project_name = data_utils.rand_name('project-')
-        _, project = self.client.create_project(
+        project = self.client.create_project(
             project_name, enabled=False)
         self.data.projects.append(project)
         en1 = project['enabled']
         self.assertEqual('false', str(en1).lower(),
                          'Enable should be False in response')
-        _, body = self.client.get_project(project['id'])
+        body = self.client.get_project(project['id'])
         en2 = body['enabled']
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
@@ -86,17 +86,17 @@
     def test_project_update_name(self):
         # Update name attribute of a project
         p_name1 = data_utils.rand_name('project-')
-        _, project = self.client.create_project(p_name1)
+        project = self.client.create_project(p_name1)
         self.data.projects.append(project)
 
         resp1_name = project['name']
 
         p_name2 = data_utils.rand_name('project2-')
-        _, body = self.client.update_project(project['id'], name=p_name2)
+        body = self.client.update_project(project['id'], name=p_name2)
         resp2_name = body['name']
         self.assertNotEqual(resp1_name, resp2_name)
 
-        _, body = self.client.get_project(project['id'])
+        body = self.client.get_project(project['id'])
         resp3_name = body['name']
 
         self.assertNotEqual(resp1_name, resp3_name)
@@ -108,18 +108,18 @@
         # Update description attribute of a project
         p_name = data_utils.rand_name('project-')
         p_desc = data_utils.rand_name('desc-')
-        _, project = self.client.create_project(
+        project = self.client.create_project(
             p_name, description=p_desc)
         self.data.projects.append(project)
         resp1_desc = project['description']
 
         p_desc2 = data_utils.rand_name('desc2-')
-        _, body = self.client.update_project(
+        body = self.client.update_project(
             project['id'], description=p_desc2)
         resp2_desc = body['description']
         self.assertNotEqual(resp1_desc, resp2_desc)
 
-        _, body = self.client.get_project(project['id'])
+        body = self.client.get_project(project['id'])
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
@@ -131,18 +131,18 @@
         # Update the enabled attribute of a project
         p_name = data_utils.rand_name('project-')
         p_en = False
-        _, project = self.client.create_project(p_name, enabled=p_en)
+        project = self.client.create_project(p_name, enabled=p_en)
         self.data.projects.append(project)
 
         resp1_en = project['enabled']
 
         p_en2 = True
-        _, body = self.client.update_project(
+        body = self.client.update_project(
             project['id'], enabled=p_en2)
         resp2_en = body['enabled']
         self.assertNotEqual(resp1_en, resp2_en)
 
-        _, body = self.client.get_project(project['id'])
+        body = self.client.get_project(project['id'])
         resp3_en = body['enabled']
 
         self.assertNotEqual(resp1_en, resp3_en)
@@ -154,7 +154,7 @@
         # Associate a user to a project
         # Create a Project
         p_name = data_utils.rand_name('project-')
-        _, project = self.client.create_project(p_name)
+        project = self.client.create_project(p_name)
         self.data.projects.append(project)
 
         # Create a User
@@ -162,14 +162,14 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_name('pass-')
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=project['id'])
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
 
         # Get User To validate the user details
-        _, new_user_get = self.client.get_user(user['id'])
+        new_user_get = self.client.get_user(user['id'])
         # Assert response body of GET
         self.assertEqual(u_name, new_user_get['name'])
         self.assertEqual(u_desc, new_user_get['description'])
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index da35ace..f5e832b 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -32,7 +32,7 @@
     def test_project_create_duplicate(self):
         # Project names should be unique
         project_name = data_utils.rand_name('project-dup-')
-        _, project = self.client.create_project(project_name)
+        project = self.client.create_project(project_name)
         self.data.projects.append(project)
 
         self.assertRaises(
@@ -63,7 +63,7 @@
     def test_project_delete_by_unauthorized_user(self):
         # Non-admin user should not be able to delete a project
         project_name = data_utils.rand_name('project-')
-        _, project = self.client.create_project(project_name)
+        project = self.client.create_project(project_name)
         self.data.projects.append(project)
         self.assertRaises(
             exceptions.Unauthorized, self.non_admin_client.delete_project,
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index 4305060..c71cbf3 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -29,7 +29,7 @@
         cls.client = cls.region_client
         for i in range(2):
             r_description = data_utils.rand_name('description-')
-            _, region = cls.client.create_region(r_description)
+            region = cls.client.create_region(r_description)
             cls.setup_regions.append(region)
 
     @classmethod
@@ -46,7 +46,7 @@
     @test.attr(type='gate')
     def test_create_update_get_delete_region(self):
         r_description = data_utils.rand_name('description-')
-        _, region = self.client.create_region(
+        region = self.client.create_region(
             r_description, parent_region_id=self.setup_regions[0]['id'])
         self.addCleanup(self._delete_region, region['id'])
         self.assertEqual(r_description, region['description'])
@@ -54,7 +54,7 @@
                          region['parent_region_id'])
         # Update region with new description and parent ID
         r_alt_description = data_utils.rand_name('description-')
-        _, region = self.client.update_region(
+        region = self.client.update_region(
             region['id'],
             description=r_alt_description,
             parent_region_id=self.setup_regions[1]['id'])
@@ -62,7 +62,7 @@
         self.assertEqual(self.setup_regions[1]['id'],
                          region['parent_region_id'])
         # Get the details of region
-        _, region = self.client.get_region(region['id'])
+        region = self.client.get_region(region['id'])
         self.assertEqual(r_alt_description, region['description'])
         self.assertEqual(self.setup_regions[1]['id'],
                          region['parent_region_id'])
@@ -72,7 +72,7 @@
         # Create a region with a specific id
         r_region_id = data_utils.rand_uuid()
         r_description = data_utils.rand_name('description-')
-        _, region = self.client.create_region(
+        region = self.client.create_region(
             r_description, unique_region_id=r_region_id)
         self.addCleanup(self._delete_region, region['id'])
         # Asserting Create Region with specific id response body
@@ -82,7 +82,7 @@
     @test.attr(type='gate')
     def test_list_regions(self):
         # Get a list of regions
-        _, fetched_regions = self.client.list_regions()
+        fetched_regions = self.client.list_regions()
         missing_regions =\
             [e for e in self.setup_regions if e not in fetched_regions]
         # Asserting List Regions response
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index 3c0a180..b8b309d 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -26,28 +26,28 @@
         super(RolesV3TestJSON, cls).resource_setup()
         for _ in range(3):
             role_name = data_utils.rand_name(name='role-')
-            _, role = cls.client.create_role(role_name)
+            role = cls.client.create_role(role_name)
             cls.data.v3_roles.append(role)
         cls.fetched_role_ids = list()
         u_name = data_utils.rand_name('user-')
         u_desc = '%s description' % u_name
         u_email = '%s@testmail.tm' % u_name
         cls.u_password = data_utils.rand_name('pass-')
-        _, cls.domain = cls.client.create_domain(
+        cls.domain = cls.client.create_domain(
             data_utils.rand_name('domain-'),
             description=data_utils.rand_name('domain-desc-'))
-        _, cls.project = cls.client.create_project(
+        cls.project = cls.client.create_project(
             data_utils.rand_name('project-'),
             description=data_utils.rand_name('project-desc-'),
             domain_id=cls.domain['id'])
-        _, cls.group_body = cls.client.create_group(
+        cls.group_body = cls.client.create_group(
             data_utils.rand_name('Group-'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])
-        _, cls.user_body = cls.client.create_user(
+        cls.user_body = cls.client.create_user(
             u_name, description=u_desc, password=cls.u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])
-        _, cls.role = cls.client.create_role(
+        cls.role = cls.client.create_role(
             data_utils.rand_name('Role-'))
 
     @classmethod
@@ -69,23 +69,23 @@
     @test.attr(type='smoke')
     def test_role_create_update_get_list(self):
         r_name = data_utils.rand_name('Role-')
-        _, role = self.client.create_role(r_name)
+        role = self.client.create_role(r_name)
         self.addCleanup(self.client.delete_role, role['id'])
         self.assertIn('name', role)
         self.assertEqual(role['name'], r_name)
 
         new_name = data_utils.rand_name('NewRole-')
-        _, updated_role = self.client.update_role(new_name, role['id'])
+        updated_role = self.client.update_role(new_name, role['id'])
         self.assertIn('name', updated_role)
         self.assertIn('id', updated_role)
         self.assertIn('links', updated_role)
         self.assertNotEqual(r_name, updated_role['name'])
 
-        _, new_role = self.client.get_role(role['id'])
+        new_role = self.client.get_role(role['id'])
         self.assertEqual(new_name, new_role['name'])
         self.assertEqual(updated_role['id'], new_role['id'])
 
-        _, roles = self.client.list_roles()
+        roles = self.client.list_roles()
         self.assertIn(role['id'], [r['id'] for r in roles])
 
     @test.attr(type='smoke')
@@ -93,7 +93,7 @@
         self.client.assign_user_role_on_project(
             self.project['id'], self.user_body['id'], self.role['id'])
 
-        _, roles = self.client.list_user_roles_on_project(
+        roles = self.client.list_user_roles_on_project(
             self.project['id'], self.user_body['id'])
 
         for i in roles:
@@ -110,7 +110,7 @@
         self.client.assign_user_role_on_domain(
             self.domain['id'], self.user_body['id'], self.role['id'])
 
-        _, roles = self.client.list_user_roles_on_domain(
+        roles = self.client.list_user_roles_on_domain(
             self.domain['id'], self.user_body['id'])
 
         for i in roles:
@@ -128,7 +128,7 @@
         self.client.assign_group_role_on_project(
             self.project['id'], self.group_body['id'], self.role['id'])
         # List group roles on project
-        _, roles = self.client.list_group_roles_on_project(
+        roles = self.client.list_group_roles_on_project(
             self.project['id'], self.group_body['id'])
 
         for i in roles:
@@ -140,9 +140,9 @@
         self.client.add_group_user(self.group_body['id'], self.user_body['id'])
         self.addCleanup(self.client.delete_group_user,
                         self.group_body['id'], self.user_body['id'])
-        _, body = self.token.auth(self.user_body['id'], self.u_password,
-                                  self.project['name'],
-                                  domain=self.domain['name'])
+        body = self.token.auth(self.user_body['id'], self.u_password,
+                               self.project['name'],
+                               domain=self.domain['name'])
         roles = body['token']['roles']
         self.assertEqual(len(roles), 1)
         self.assertEqual(roles[0]['id'], self.role['id'])
@@ -155,7 +155,7 @@
         self.client.assign_group_role_on_domain(
             self.domain['id'], self.group_body['id'], self.role['id'])
 
-        _, roles = self.client.list_group_roles_on_domain(
+        roles = self.client.list_group_roles_on_domain(
             self.domain['id'], self.group_body['id'])
 
         for i in roles:
@@ -170,6 +170,6 @@
     @test.attr(type='gate')
     def test_list_roles(self):
         # Return a list of all roles
-        _, body = self.client.list_roles()
+        body = self.client.list_roles()
         found = [role for role in body if role in self.data.v3_roles]
         self.assertEqual(len(found), len(self.data.v3_roles))
diff --git a/tempest/api/identity/admin/v3/test_services.py b/tempest/api/identity/admin/v3/test_services.py
index a871f17..9e45b50 100644
--- a/tempest/api/identity/admin/v3/test_services.py
+++ b/tempest/api/identity/admin/v3/test_services.py
@@ -35,7 +35,7 @@
         name = data_utils.rand_name('service')
         serv_type = data_utils.rand_name('type')
         desc = data_utils.rand_name('description')
-        _, create_service = self.service_client.create_service(
+        create_service = self.service_client.create_service(
             serv_type, name=name, description=desc)
         self.addCleanup(self._del_service, create_service['id'])
         self.assertIsNotNone(create_service['id'])
@@ -48,14 +48,14 @@
         s_id = create_service['id']
         resp1_desc = create_service['description']
         s_desc2 = data_utils.rand_name('desc2')
-        _, update_service = self.service_client.update_service(
+        update_service = self.service_client.update_service(
             s_id, description=s_desc2)
         resp2_desc = update_service['description']
 
         self.assertNotEqual(resp1_desc, resp2_desc)
 
         # Get service
-        _, fetched_service = self.service_client.get_service(s_id)
+        fetched_service = self.service_client.get_service(s_id)
         resp3_desc = fetched_service['description']
 
         self.assertEqual(resp2_desc, resp3_desc)
@@ -66,7 +66,7 @@
         # Create a service only with name and type
         name = data_utils.rand_name('service')
         serv_type = data_utils.rand_name('type')
-        _, service = self.service_client.create_service(
+        service = self.service_client.create_service(
             serv_type, name=name)
         self.addCleanup(self.service_client.delete_service, service['id'])
         self.assertIn('id', service)
@@ -80,14 +80,14 @@
         for _ in range(3):
             name = data_utils.rand_name('service')
             serv_type = data_utils.rand_name('type')
-            _, create_service = self.service_client.create_service(
+            create_service = self.service_client.create_service(
                 serv_type, name=name)
             self.addCleanup(self.service_client.delete_service,
                             create_service['id'])
             service_ids.append(create_service['id'])
 
         # List and Verify Services
-        _, services = self.service_client.list_services()
+        services = self.service_client.list_services()
         fetched_ids = [service['id'] for service in services]
         found = [s for s in fetched_ids if s in service_ids]
         self.assertEqual(len(found), len(service_ids))
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index aef8239..f0acfdf 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -30,15 +30,15 @@
         u_desc = '%s-description' % u_name
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_name('pass-')
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email)
         self.addCleanup(self.client.delete_user, user['id'])
         # Perform Authentication
-        resp, _ = self.token.auth(user['id'], u_password)
+        resp = self.token.auth(user['id'], u_password).response
         subject_token = resp['x-subject-token']
         # Perform GET Token
-        _, token_details = self.client.get_token(subject_token)
+        token_details = self.client.get_token(subject_token)
         self.assertEqual(resp['x-subject-token'], subject_token)
         self.assertEqual(token_details['user']['id'], user['id'])
         self.assertEqual(token_details['user']['name'], u_name)
@@ -60,21 +60,21 @@
         # Create a user.
         user_name = data_utils.rand_name(name='user-')
         user_password = data_utils.rand_name(name='pass-')
-        _, user = self.client.create_user(user_name, password=user_password)
+        user = self.client.create_user(user_name, password=user_password)
         self.addCleanup(self.client.delete_user, user['id'])
 
         # Create a couple projects
         project1_name = data_utils.rand_name(name='project-')
-        _, project1 = self.client.create_project(project1_name)
+        project1 = self.client.create_project(project1_name)
         self.addCleanup(self.client.delete_project, project1['id'])
 
         project2_name = data_utils.rand_name(name='project-')
-        _, project2 = self.client.create_project(project2_name)
+        project2 = self.client.create_project(project2_name)
         self.addCleanup(self.client.delete_project, project2['id'])
 
         # Create a role
         role_name = data_utils.rand_name(name='role-')
-        _, role = self.client.create_role(role_name)
+        role = self.client.create_role(role_name)
         self.addCleanup(self.client.delete_role, role['id'])
 
         # Grant the user the role on both projects.
@@ -85,10 +85,10 @@
                                      role['id'])
 
         # Get an unscoped token.
-        resp, token_auth = self.token.auth(user=user['id'],
-                                           password=user_password)
+        token_auth = self.token.auth(user=user['id'],
+                                     password=user_password)
 
-        token_id = resp['x-subject-token']
+        token_id = token_auth.response['x-subject-token']
         orig_expires_at = token_auth['token']['expires_at']
         orig_issued_at = token_auth['token']['issued_at']
         orig_user = token_auth['token']['user']
@@ -107,10 +107,10 @@
         self.assertNotIn('roles', token_auth['token'])
 
         # Use the unscoped token to get a scoped token.
-        resp, token_auth = self.token.auth(token=token_id,
-                                           tenant=project1_name,
-                                           domain='Default')
-        token1_id = resp['x-subject-token']
+        token_auth = self.token.auth(token=token_id,
+                                     tenant=project1_name,
+                                     domain='Default')
+        token1_id = token_auth.response['x-subject-token']
 
         self.assertEqual(orig_expires_at, token_auth['token']['expires_at'],
                          'Expiration time should match original token')
@@ -137,9 +137,9 @@
         self.client.delete_token(token1_id)
 
         # Now get another scoped token using the unscoped token.
-        _, token_auth = self.token.auth(token=token_id,
-                                        tenant=project2_name,
-                                        domain='Default')
+        token_auth = self.token.auth(token=token_id,
+                                     tenant=project2_name,
+                                     domain='Default')
 
         self.assertEqual(project2['id'],
                          token_auth['token']['project']['id'])
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 886c808..cd28e96 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -55,7 +55,7 @@
         u_desc = self.trustor_username + 'description'
         u_email = self.trustor_username + '@testmail.xx'
         self.trustor_password = data_utils.rand_name('pass-')
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             self.trustor_username,
             description=u_desc,
             password=self.trustor_password,
@@ -67,10 +67,10 @@
         self.delegated_role = data_utils.rand_name('DelegatedRole-')
         self.not_delegated_role = data_utils.rand_name('NotDelegatedRole-')
 
-        _, role = self.client.create_role(self.delegated_role)
+        role = self.client.create_role(self.delegated_role)
         self.delegated_role_id = role['id']
 
-        _, role = self.client.create_role(self.not_delegated_role)
+        role = self.client.create_role(self.not_delegated_role)
         self.not_delegated_role_id = role['id']
 
         # Assign roles to trustor
@@ -106,7 +106,7 @@
 
     def create_trust(self, impersonate=True, expires=None):
 
-        _, trust_create = self.trustor_client.create_trust(
+        trust_create = self.trustor_client.create_trust(
             trustor_user_id=self.trustor_user_id,
             trustee_user_id=self.trustee_user_id,
             project_id=self.trustor_project_id,
@@ -138,7 +138,7 @@
             self.assertEqual(1, len(trust['roles']))
 
     def get_trust(self):
-        _, trust_get = self.trustor_client.get_trust(self.trust_id)
+        trust_get = self.trustor_client.get_trust(self.trust_id)
         return trust_get
 
     def validate_role(self, role):
@@ -153,16 +153,16 @@
 
     def check_trust_roles(self):
         # Check we find the delegated role
-        _, roles_get = self.trustor_client.get_trust_roles(
+        roles_get = self.trustor_client.get_trust_roles(
             self.trust_id)
         self.assertEqual(1, len(roles_get))
         self.validate_role(roles_get[0])
 
-        _, role_get = self.trustor_client.get_trust_role(
+        role_get = self.trustor_client.get_trust_role(
             self.trust_id, self.delegated_role_id)
         self.validate_role(role_get)
 
-        _, role_get = self.trustor_client.check_trust_role(
+        role_get = self.trustor_client.check_trust_role(
             self.trust_id, self.delegated_role_id)
 
         # And that we don't find not_delegated_role
@@ -245,7 +245,7 @@
     @test.attr(type='smoke')
     def test_get_trusts_query(self):
         self.create_trust()
-        _, trusts_get = self.trustor_client.get_trusts(
+        trusts_get = self.trustor_client.get_trusts(
             trustor_user_id=self.trustor_user_id)
         self.assertEqual(1, len(trusts_get))
         self.validate_trust(trusts_get[0], summary=True)
@@ -253,7 +253,7 @@
     @test.attr(type='smoke')
     def test_get_trusts_all(self):
         self.create_trust()
-        _, trusts_get = self.client.get_trusts()
+        trusts_get = self.client.get_trusts()
         trusts = [t for t in trusts_get
                   if t['id'] == self.trust_id]
         self.assertEqual(1, len(trusts))
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 1b003c3..4f3ec05 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -29,13 +29,13 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_name('pass-')
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False)
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
         # Creating second project for updation
-        _, project = self.client.create_project(
+        project = self.client.create_project(
             data_utils.rand_name('project-'),
             description=data_utils.rand_name('project-desc-'))
         # Delete the Project at the end of this method
@@ -44,7 +44,7 @@
         u_name2 = data_utils.rand_name('user2-')
         u_email2 = u_name2 + '@testmail.tm'
         u_description2 = u_name2 + ' description'
-        _, update_user = self.client.update_user(
+        update_user = self.client.update_user(
             user['id'], name=u_name2, description=u_description2,
             project_id=project['id'],
             email=u_email2, enabled=False)
@@ -55,7 +55,7 @@
         self.assertEqual(u_email2, update_user['email'])
         self.assertEqual('false', str(update_user['enabled']).lower())
         # GET by id after updation
-        _, new_user_get = self.client.get_user(user['id'])
+        new_user_get = self.client.get_user(user['id'])
         # Assert response body of GET after updation
         self.assertEqual(u_name2, new_user_get['name'])
         self.assertEqual(u_description2, new_user_get['description'])
@@ -69,7 +69,7 @@
         # Creating User to check password updation
         u_name = data_utils.rand_name('user')
         original_password = data_utils.rand_name('pass')
-        _, user = self.client.create_user(
+        user = self.client.create_user(
             u_name, password=original_password)
         # Delete the User at the end all test methods
         self.addCleanup(self.client.delete_user, user['id'])
@@ -77,10 +77,10 @@
         new_password = data_utils.rand_name('pass1')
         self.client.update_user_password(user['id'], new_password,
                                          original_password)
-        resp, _ = self.token.auth(user['id'], new_password)
+        resp = self.token.auth(user['id'], new_password).response
         subject_token = resp['x-subject-token']
         # Perform GET Token to verify and confirm password is updated
-        _, token_details = self.client.get_token(subject_token)
+        token_details = self.client.get_token(subject_token)
         self.assertEqual(resp['x-subject-token'], subject_token)
         self.assertEqual(token_details['user']['id'], user['id'])
         self.assertEqual(token_details['user']['name'], u_name)
@@ -90,7 +90,7 @@
         # List the projects that a user has access upon
         assigned_project_ids = list()
         fetched_project_ids = list()
-        _, u_project = self.client.create_project(
+        u_project = self.client.create_project(
             data_utils.rand_name('project-'),
             description=data_utils.rand_name('project-desc-'))
         # Delete the Project at the end of this method
@@ -100,25 +100,25 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_name('pass-')
-        _, user_body = self.client.create_user(
+        user_body = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False, project_id=u_project['id'])
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user_body['id'])
         # Creating Role
-        _, role_body = self.client.create_role(
+        role_body = self.client.create_role(
             data_utils.rand_name('role-'))
         # Delete the Role at the end of this method
         self.addCleanup(self.client.delete_role, role_body['id'])
 
-        _, user = self.client.get_user(user_body['id'])
-        _, role = self.client.get_role(role_body['id'])
+        user = self.client.get_user(user_body['id'])
+        role = self.client.get_role(role_body['id'])
         for i in range(2):
             # Creating project so as to assign role
-            _, project_body = self.client.create_project(
+            project_body = self.client.create_project(
                 data_utils.rand_name('project-'),
                 description=data_utils.rand_name('project-desc-'))
-            _, project = self.client.get_project(project_body['id'])
+            project = self.client.get_project(project_body['id'])
             # Delete the Project at the end of this method
             self.addCleanup(self.client.delete_project, project_body['id'])
             # Assigning roles to user on project
@@ -126,7 +126,7 @@
                                          user['id'],
                                          role['id'])
             assigned_project_ids.append(project['id'])
-        _, body = self.client.list_user_projects(user['id'])
+        body = self.client.list_user_projects(user['id'])
         for i in body:
             fetched_project_ids.append(i['id'])
         # verifying the project ids in list
@@ -142,5 +142,5 @@
     def test_get_user(self):
         # Get a user detail
         self.data.setup_test_v3_user()
-        _, user = self.client.get_user(self.data.v3_user['id'])
+        user = self.client.get_user(self.data.v3_user['id'])
         self.assertEqual(self.data.v3_user['id'], user['id'])
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 1e4973b..c9010ee 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -112,6 +112,27 @@
         cls.data.teardown_all()
         super(BaseIdentityV3AdminTest, cls).resource_cleanup()
 
+    @classmethod
+    def get_user_by_name(cls, name):
+        users = cls.client.get_users()
+        user = [u for u in users if u['name'] == name]
+        if len(user) > 0:
+            return user[0]
+
+    @classmethod
+    def get_tenant_by_name(cls, name):
+        tenants = cls.client.list_projects()
+        tenant = [t for t in tenants if t['name'] == name]
+        if len(tenant) > 0:
+            return tenant[0]
+
+    @classmethod
+    def get_role_by_name(cls, name):
+        roles = cls.client.list_roles()
+        role = [r for r in roles if r['name'] == name]
+        if len(role) > 0:
+            return role[0]
+
 
 class DataGenerator(object):
 
@@ -167,7 +188,7 @@
             self.test_user = data_utils.rand_name('test_user_')
             self.test_password = data_utils.rand_name('pass_')
             self.test_email = self.test_user + '@testmail.tm'
-            _, self.v3_user = self.client.create_user(
+            self.v3_user = self.client.create_user(
                 self.test_user,
                 password=self.test_password,
                 project_id=self.project['id'],
@@ -178,7 +199,7 @@
             """Set up a test project."""
             self.test_project = data_utils.rand_name('test_project_')
             self.test_description = data_utils.rand_name('desc_')
-            _, self.project = self.client.create_project(
+            self.project = self.client.create_project(
                 name=self.test_project,
                 description=self.test_description)
             self.projects.append(self.project)
@@ -186,14 +207,14 @@
         def setup_test_v3_role(self):
             """Set up a test v3 role."""
             self.test_role = data_utils.rand_name('role')
-            _, self.v3_role = self.client.create_role(self.test_role)
+            self.v3_role = self.client.create_role(self.test_role)
             self.v3_roles.append(self.v3_role)
 
         def setup_test_domain(self):
             """Set up a test domain."""
             self.test_domain = data_utils.rand_name('test_domain')
             self.test_description = data_utils.rand_name('desc')
-            _, self.domain = self.client.create_domain(
+            self.domain = self.client.create_domain(
                 name=self.test_domain,
                 description=self.test_description)
             self.domains.append(self.domain)
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index b2c2ffb..e27fb4a 100755
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -258,9 +258,9 @@
         'database': 'trove'
     }
     # Get catalog list for endpoints to use for validation
-    __, endpoints = os.endpoints_client.list_endpoints()
+    endpoints = os.endpoints_client.list_endpoints()
     for endpoint in endpoints:
-        __, service = os.service_client.get_service(endpoint['service_id'])
+        service = os.service_client.get_service(endpoint['service_id'])
         services.append(service['type'])
     # Pull all catalog types from config file and compare against endpoint list
     for cfgname in dir(CONF._config):
diff --git a/tempest/services/identity/v3/json/credentials_client.py b/tempest/services/identity/v3/json/credentials_client.py
index 42acd2a..83918f6 100644
--- a/tempest/services/identity/v3/json/credentials_client.py
+++ b/tempest/services/identity/v3/json/credentials_client.py
@@ -15,6 +15,7 @@
 
 import json
 
+from tempest.common import rest_client
 from tempest.services.identity.v3.json import base
 
 
@@ -35,11 +36,11 @@
         self.expected_success(201, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
-        return resp, body['credential']
+        return rest_client.ResponseBody(resp, body['credential'])
 
     def update_credential(self, credential_id, **kwargs):
         """Updates a credential."""
-        _, body = self.get_credential(credential_id)
+        body = self.get_credential(credential_id)
         cred_type = kwargs.get('type', body['type'])
         access_key = kwargs.get('access_key', body['blob']['access'])
         secret_key = kwargs.get('secret_key', body['blob']['secret'])
@@ -58,7 +59,7 @@
         self.expected_success(200, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
-        return resp, body['credential']
+        return rest_client.ResponseBody(resp, body['credential'])
 
     def get_credential(self, credential_id):
         """To GET Details of a credential."""
@@ -66,17 +67,17 @@
         self.expected_success(200, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
-        return resp, body['credential']
+        return rest_client.ResponseBody(resp, body['credential'])
 
     def list_credentials(self):
         """Lists out all the available credentials."""
         resp, body = self.get('credentials')
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['credentials']
+        return rest_client.ResponseBodyList(resp, body['credentials'])
 
     def delete_credential(self, credential_id):
         """Deletes a credential."""
         resp, body = self.delete('credentials/%s' % credential_id)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/json/endpoints_client.py b/tempest/services/identity/v3/json/endpoints_client.py
index 9316a4b..59bfa8c 100644
--- a/tempest/services/identity/v3/json/endpoints_client.py
+++ b/tempest/services/identity/v3/json/endpoints_client.py
@@ -15,6 +15,7 @@
 
 import json
 
+from tempest.common import rest_client
 from tempest.services.identity.v3.json import base
 
 
@@ -25,7 +26,7 @@
         resp, body = self.get('endpoints')
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['endpoints']
+        return rest_client.ResponseBodyList(resp, body['endpoints'])
 
     def create_endpoint(self, service_id, interface, url, **kwargs):
         """Create endpoint.
@@ -50,7 +51,7 @@
         resp, body = self.post('endpoints', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['endpoint']
+        return rest_client.ResponseBody(resp, body['endpoint'])
 
     def update_endpoint(self, endpoint_id, service_id=None, interface=None,
                         url=None, region=None, enabled=None, **kwargs):
@@ -77,10 +78,10 @@
         resp, body = self.patch('endpoints/%s' % endpoint_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['endpoint']
+        return rest_client.ResponseBody(resp, body['endpoint'])
 
     def delete_endpoint(self, endpoint_id):
         """Delete endpoint."""
         resp_header, resp_body = self.delete('endpoints/%s' % endpoint_id)
         self.expected_success(204, resp_header.status)
-        return resp_header, resp_body
+        return rest_client.ResponseBody(resp_header, resp_body)
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 4c8d8df..8c45572 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -46,11 +46,11 @@
         resp, body = self.post('users', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['user']
+        return rest_client.ResponseBody(resp, body['user'])
 
     def update_user(self, user_id, name, **kwargs):
         """Updates a user."""
-        _, body = self.get_user(user_id)
+        body = self.get_user(user_id)
         email = kwargs.get('email', body['email'])
         en = kwargs.get('enabled', body['enabled'])
         project_id = kwargs.get('project_id', body['project_id'])
@@ -75,7 +75,7 @@
         resp, body = self.patch('users/%s' % user_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['user']
+        return rest_client.ResponseBody(resp, body['user'])
 
     def update_user_password(self, user_id, password, original_password):
         """Updates a user password."""
@@ -86,14 +86,14 @@
         update_user = json.dumps({'user': update_user})
         resp, _ = self.post('users/%s/password' % user_id, update_user)
         self.expected_success(204, resp.status)
-        return resp
+        return rest_client.ResponseBody(resp)
 
     def list_user_projects(self, user_id):
         """Lists the projects on which a user has roles assigned."""
         resp, body = self.get('users/%s/projects' % user_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['projects']
+        return rest_client.ResponseBodyList(resp, body['projects'])
 
     def get_users(self, params=None):
         """Get the list of users."""
@@ -103,20 +103,20 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['users']
+        return rest_client.ResponseBodyList(resp, body['users'])
 
     def get_user(self, user_id):
         """GET a user."""
         resp, body = self.get("users/%s" % user_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['user']
+        return rest_client.ResponseBody(resp, body['user'])
 
     def delete_user(self, user_id):
         """Deletes a User."""
         resp, body = self.delete("users/%s" % user_id)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def create_project(self, name, **kwargs):
         """Creates a project."""
@@ -133,7 +133,7 @@
         resp, body = self.post('projects', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['project']
+        return rest_client.ResponseBody(resp, body['project'])
 
     def list_projects(self, params=None):
         url = "projects"
@@ -142,10 +142,10 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['projects']
+        return rest_client.ResponseBodyList(resp, body['projects'])
 
     def update_project(self, project_id, **kwargs):
-        _, body = self.get_project(project_id)
+        body = self.get_project(project_id)
         name = kwargs.get('name', body['name'])
         desc = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
@@ -161,20 +161,20 @@
         resp, body = self.patch('projects/%s' % project_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['project']
+        return rest_client.ResponseBody(resp, body['project'])
 
     def get_project(self, project_id):
         """GET a Project."""
         resp, body = self.get("projects/%s" % project_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['project']
+        return rest_client.ResponseBody(resp, body['project'])
 
     def delete_project(self, project_id):
         """Delete a project."""
         resp, body = self.delete('projects/%s' % str(project_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def create_role(self, name):
         """Create a Role."""
@@ -185,21 +185,21 @@
         resp, body = self.post('roles', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['role']
+        return rest_client.ResponseBody(resp, body['role'])
 
     def get_role(self, role_id):
         """GET a Role."""
         resp, body = self.get('roles/%s' % str(role_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['role']
+        return rest_client.ResponseBody(resp, body['role'])
 
     def list_roles(self):
         """Get the list of Roles."""
         resp, body = self.get("roles")
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def update_role(self, name, role_id):
         """Create a Role."""
@@ -210,20 +210,20 @@
         resp, body = self.patch('roles/%s' % str(role_id), post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['role']
+        return rest_client.ResponseBody(resp, body['role'])
 
     def delete_role(self, role_id):
         """Delete a role."""
         resp, body = self.delete('roles/%s' % str(role_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def assign_user_role(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def create_domain(self, name, **kwargs):
         """Creates a domain."""
@@ -238,24 +238,24 @@
         resp, body = self.post('domains', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['domain']
+        return rest_client.ResponseBody(resp, body['domain'])
 
     def delete_domain(self, domain_id):
         """Delete a domain."""
         resp, body = self.delete('domains/%s' % str(domain_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def list_domains(self):
         """List Domains."""
         resp, body = self.get('domains')
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['domains']
+        return rest_client.ResponseBodyList(resp, body['domains'])
 
     def update_domain(self, domain_id, **kwargs):
         """Updates a domain."""
-        _, body = self.get_domain(domain_id)
+        body = self.get_domain(domain_id)
         description = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
         name = kwargs.get('name', body['name'])
@@ -268,14 +268,14 @@
         resp, body = self.patch('domains/%s' % domain_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['domain']
+        return rest_client.ResponseBody(resp, body['domain'])
 
     def get_domain(self, domain_id):
         """Get Domain details."""
         resp, body = self.get('domains/%s' % domain_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['domain']
+        return rest_client.ResponseBody(resp, body['domain'])
 
     def get_token(self, resp_token):
         """Get token details."""
@@ -283,14 +283,14 @@
         resp, body = self.get("auth/tokens", headers=headers)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['token']
+        return rest_client.ResponseBody(resp, body['token'])
 
     def delete_token(self, resp_token):
         """Deletes token."""
         headers = {'X-Subject-Token': resp_token}
         resp, body = self.delete("auth/tokens", headers=headers)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def create_group(self, name, **kwargs):
         """Creates a group."""
@@ -307,18 +307,18 @@
         resp, body = self.post('groups', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['group']
+        return rest_client.ResponseBody(resp, body['group'])
 
     def get_group(self, group_id):
         """Get group details."""
         resp, body = self.get('groups/%s' % group_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['group']
+        return rest_client.ResponseBody(resp, body['group'])
 
     def update_group(self, group_id, **kwargs):
         """Updates a group."""
-        _, body = self.get_group(group_id)
+        body = self.get_group(group_id)
         name = kwargs.get('name', body['name'])
         description = kwargs.get('description', body['description'])
         post_body = {
@@ -329,54 +329,54 @@
         resp, body = self.patch('groups/%s' % group_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['group']
+        return rest_client.ResponseBody(resp, body['group'])
 
     def delete_group(self, group_id):
         """Delete a group."""
         resp, body = self.delete('groups/%s' % str(group_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def add_group_user(self, group_id, user_id):
         """Add user into group."""
         resp, body = self.put('groups/%s/users/%s' % (group_id, user_id),
                               None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def list_group_users(self, group_id):
         """List users in group."""
         resp, body = self.get('groups/%s/users' % group_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['users']
+        return rest_client.ResponseBodyList(resp, body['users'])
 
     def list_user_groups(self, user_id):
         """Lists groups which a user belongs to."""
         resp, body = self.get('users/%s/groups' % user_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['groups']
+        return rest_client.ResponseBodyList(resp, body['groups'])
 
     def delete_group_user(self, group_id, user_id):
         """Delete user in group."""
         resp, body = self.delete('groups/%s/users/%s' % (group_id, user_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def assign_user_role_on_project(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def assign_user_role_on_domain(self, domain_id, user_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/users/%s/roles/%s' %
                               (domain_id, user_id, role_id), None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def list_user_roles_on_project(self, project_id, user_id):
         """list roles of a user on a project."""
@@ -384,7 +384,7 @@
                               (project_id, user_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def list_user_roles_on_domain(self, domain_id, user_id):
         """list roles of a user on a domain."""
@@ -392,35 +392,35 @@
                               (domain_id, user_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def revoke_role_from_user_on_project(self, project_id, user_id, role_id):
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/users/%s/roles/%s' %
                                  (project_id, user_id, role_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def revoke_role_from_user_on_domain(self, domain_id, user_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/users/%s/roles/%s' %
                                  (domain_id, user_id, role_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def assign_group_role_on_project(self, project_id, group_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/groups/%s/roles/%s' %
                               (project_id, group_id, role_id), None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def assign_group_role_on_domain(self, domain_id, group_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/groups/%s/roles/%s' %
                               (domain_id, group_id, role_id), None)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def list_group_roles_on_project(self, project_id, group_id):
         """list roles of a user on a project."""
@@ -428,7 +428,7 @@
                               (project_id, group_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def list_group_roles_on_domain(self, domain_id, group_id):
         """list roles of a user on a domain."""
@@ -436,21 +436,21 @@
                               (domain_id, group_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def revoke_role_from_group_on_project(self, project_id, group_id, role_id):
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/groups/%s/roles/%s' %
                                  (project_id, group_id, role_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def revoke_role_from_group_on_domain(self, domain_id, group_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/groups/%s/roles/%s' %
                                  (domain_id, group_id, role_id))
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def create_trust(self, trustor_user_id, trustee_user_id, project_id,
                      role_names, impersonation, expires_at):
@@ -468,13 +468,13 @@
         resp, body = self.post('OS-TRUST/trusts', post_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['trust']
+        return rest_client.ResponseBody(resp, body['trust'])
 
     def delete_trust(self, trust_id):
         """Deletes a trust."""
         resp, body = self.delete("OS-TRUST/trusts/%s" % trust_id)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def get_trusts(self, trustor_user_id=None, trustee_user_id=None):
         """GET trusts."""
@@ -488,21 +488,21 @@
             resp, body = self.get("OS-TRUST/trusts")
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['trusts']
+        return rest_client.ResponseBodyList(resp, body['trusts'])
 
     def get_trust(self, trust_id):
         """GET trust."""
         resp, body = self.get("OS-TRUST/trusts/%s" % trust_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['trust']
+        return rest_client.ResponseBody(resp, body['trust'])
 
     def get_trust_roles(self, trust_id):
         """GET roles delegated by a trust."""
         resp, body = self.get("OS-TRUST/trusts/%s/roles" % trust_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['roles']
+        return rest_client.ResponseBodyList(resp, body['roles'])
 
     def get_trust_role(self, trust_id, role_id):
         """GET role delegated by a trust."""
@@ -510,14 +510,14 @@
                               % (trust_id, role_id))
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['role']
+        return rest_client.ResponseBody(resp, body['role'])
 
     def check_trust_role(self, trust_id, role_id):
         """HEAD Check if role is delegated by a trust."""
         resp, body = self.head("OS-TRUST/trusts/%s/roles/%s"
                                % (trust_id, role_id))
         self.expected_success(200, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
 
 class V3TokenClientJSON(rest_client.RestClient):
@@ -589,7 +589,7 @@
         body = json.dumps(creds)
         resp, body = self.post(self.auth_url, body=body)
         self.expected_success(201, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def request(self, method, url, extra_headers=False, headers=None,
                 body=None):
@@ -624,10 +624,10 @@
         :param user: username
         Returns (token id, token data) for supplied credentials
         """
-        resp, body = self.auth(user, password, tenant, user_type='name',
-                               domain=domain)
+        body = self.auth(user, password, tenant, user_type='name',
+                         domain=domain)
 
-        token = resp.get('x-subject-token')
+        token = body.response.get('x-subject-token')
         if auth_data:
             return token, body['token']
         else:
diff --git a/tempest/services/identity/v3/json/region_client.py b/tempest/services/identity/v3/json/region_client.py
index 8545778..cab937e 100644
--- a/tempest/services/identity/v3/json/region_client.py
+++ b/tempest/services/identity/v3/json/region_client.py
@@ -16,6 +16,7 @@
 import json
 import urllib
 
+from tempest.common import rest_client
 from tempest.services.identity.v3.json import base
 
 
@@ -36,7 +37,7 @@
             resp, body = self.post('regions', req_body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body['region']
+        return rest_client.ResponseBody(resp, body['region'])
 
     def update_region(self, region_id, **kwargs):
         """Updates a region."""
@@ -49,7 +50,7 @@
         resp, body = self.patch('regions/%s' % region_id, post_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['region']
+        return rest_client.ResponseBody(resp, body['region'])
 
     def get_region(self, region_id):
         """Get region."""
@@ -57,7 +58,7 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['region']
+        return rest_client.ResponseBody(resp, body['region'])
 
     def list_regions(self, params=None):
         """List regions."""
@@ -67,10 +68,10 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['regions']
+        return rest_client.ResponseBodyList(resp, body['regions'])
 
     def delete_region(self, region_id):
         """Delete region."""
         resp, body = self.delete('regions/%s' % region_id)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v3/json/service_client.py b/tempest/services/identity/v3/json/service_client.py
index b8b2556..c6595f6 100644
--- a/tempest/services/identity/v3/json/service_client.py
+++ b/tempest/services/identity/v3/json/service_client.py
@@ -15,6 +15,7 @@
 
 import json
 
+from tempest.common import rest_client
 from tempest.services.identity.v3.json import base
 
 
@@ -22,7 +23,7 @@
 
     def update_service(self, service_id, **kwargs):
         """Updates a service."""
-        resp, body = self.get_service(service_id)
+        body = self.get_service(service_id)
         name = kwargs.get('name', body['name'])
         type = kwargs.get('type', body['type'])
         desc = kwargs.get('description', body['description'])
@@ -35,7 +36,7 @@
         resp, body = self.patch('services/%s' % service_id, patch_body)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['service']
+        return rest_client.ResponseBody(resp, body['service'])
 
     def get_service(self, service_id):
         """Get Service."""
@@ -43,7 +44,7 @@
         resp, body = self.get(url)
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['service']
+        return rest_client.ResponseBody(resp, body['service'])
 
     def create_service(self, serv_type, name=None, description=None,
                        enabled=True):
@@ -57,16 +58,16 @@
         resp, body = self.post("services", body)
         self.expected_success(201, resp.status)
         body = json.loads(body)
-        return resp, body["service"]
+        return rest_client.ResponseBody(resp, body["service"])
 
     def delete_service(self, serv_id):
         url = "services/" + serv_id
         resp, body = self.delete(url)
         self.expected_success(204, resp.status)
-        return resp, body
+        return rest_client.ResponseBody(resp, body)
 
     def list_services(self):
         resp, body = self.get('services')
         self.expected_success(200, resp.status)
         body = json.loads(body)
-        return resp, body['services']
+        return rest_client.ResponseBodyList(resp, body['services'])