diff --git a/tempest/api/identity/admin/v2/test_endpoints.py b/tempest/api/identity/admin/v2/test_endpoints.py
index 0da579c..df55d2f 100644
--- a/tempest/api/identity/admin/v2/test_endpoints.py
+++ b/tempest/api/identity/admin/v2/test_endpoints.py
@@ -15,7 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class EndPointsTestJSON(base.BaseIdentityV2AdminTest):
@@ -55,7 +55,7 @@
             cls.services_client.delete_service(s)
         super(EndPointsTestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('11f590eb-59d8-4067-8b2b-980c7f387f51')
+    @decorators.idempotent_id('11f590eb-59d8-4067-8b2b-980c7f387f51')
     def test_list_endpoints(self):
         # Get a list of endpoints
         fetched_endpoints = self.endpoints_client.list_endpoints()['endpoints']
@@ -66,7 +66,7 @@
                          "Failed to find endpoint %s in fetched list" %
                          ', '.join(str(e) for e in missing_endpoints))
 
-    @test.idempotent_id('9974530a-aa28-4362-8403-f06db02b26c1')
+    @decorators.idempotent_id('9974530a-aa28-4362-8403-f06db02b26c1')
     def test_create_list_delete_endpoint(self):
         region = data_utils.rand_name('region')
         url = data_utils.rand_url()
diff --git a/tempest/api/identity/admin/v2/test_roles.py b/tempest/api/identity/admin/v2/test_roles.py
index d284aac..799b653 100644
--- a/tempest/api/identity/admin/v2/test_roles.py
+++ b/tempest/api/identity/admin/v2/test_roles.py
@@ -16,7 +16,7 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class RolesTestJSON(base.BaseIdentityV2AdminTest):
@@ -49,7 +49,7 @@
                 found = True
         self.assertTrue(found, "assigned role was not in list")
 
-    @test.idempotent_id('75d9593f-50b7-4fcf-bd64-e3fb4a278e23')
+    @decorators.idempotent_id('75d9593f-50b7-4fcf-bd64-e3fb4a278e23')
     def test_list_roles(self):
         """Return a list of all roles."""
         body = self.roles_client.list_roles()['roles']
@@ -57,7 +57,7 @@
         self.assertTrue(any(found))
         self.assertEqual(len(found), len(self.roles))
 
-    @test.idempotent_id('c62d909d-6c21-48c0-ae40-0a0760e6db5e')
+    @decorators.idempotent_id('c62d909d-6c21-48c0-ae40-0a0760e6db5e')
     def test_role_create_delete(self):
         """Role should be created, verified, and deleted."""
         role_name = data_utils.rand_name(name='role-test')
@@ -76,7 +76,7 @@
         found = [role for role in body if role['name'] == role_name]
         self.assertFalse(any(found))
 
-    @test.idempotent_id('db6870bd-a6ed-43be-a9b1-2f10a5c9994f')
+    @decorators.idempotent_id('db6870bd-a6ed-43be-a9b1-2f10a5c9994f')
     def test_get_role_by_id(self):
         """Get a role by its id."""
         role = self.setup_test_role()
@@ -86,7 +86,7 @@
         self.assertEqual(role_id, body['id'])
         self.assertEqual(role_name, body['name'])
 
-    @test.idempotent_id('0146f675-ffbd-4208-b3a4-60eb628dbc5e')
+    @decorators.idempotent_id('0146f675-ffbd-4208-b3a4-60eb628dbc5e')
     def test_assign_user_role(self):
         """Assign a role to a user on a tenant."""
         (user, tenant, role) = self._get_role_params()
@@ -97,7 +97,7 @@
             tenant['id'], user['id'])['roles']
         self.assert_role_in_role_list(role, roles)
 
-    @test.idempotent_id('f0b9292c-d3ba-4082-aa6c-440489beef69')
+    @decorators.idempotent_id('f0b9292c-d3ba-4082-aa6c-440489beef69')
     def test_remove_user_role(self):
         """Remove a role assigned to a user on a tenant."""
         (user, tenant, role) = self._get_role_params()
@@ -107,7 +107,7 @@
                                                            user['id'],
                                                            user_role['id'])
 
-    @test.idempotent_id('262e1e3e-ed71-4edd-a0e5-d64e83d66d05')
+    @decorators.idempotent_id('262e1e3e-ed71-4edd-a0e5-d64e83d66d05')
     def test_list_user_roles(self):
         """List roles assigned to a user on tenant."""
         (user, tenant, role) = self._get_role_params()
diff --git a/tempest/api/identity/admin/v2/test_roles_negative.py b/tempest/api/identity/admin/v2/test_roles_negative.py
index 7116913..b017b44 100644
--- a/tempest/api/identity/admin/v2/test_roles_negative.py
+++ b/tempest/api/identity/admin/v2/test_roles_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -28,14 +29,14 @@
         return (user, tenant, role)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d5d5f1df-f8ca-4de0-b2ef-259c1cc67025')
+    @decorators.idempotent_id('d5d5f1df-f8ca-4de0-b2ef-259c1cc67025')
     def test_list_roles_by_unauthorized_user(self):
         # Non-administrator user should not be able to list roles
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_roles_client.list_roles)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('11a3c7da-df6c-40c2-abc2-badd682edf9f')
+    @decorators.idempotent_id('11a3c7da-df6c-40c2-abc2-badd682edf9f')
     def test_list_roles_request_without_token(self):
         # Request to list roles without a valid token should fail
         token = self.client.auth_provider.get_token()
@@ -44,14 +45,14 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('c0b89e56-accc-4c73-85f8-9c0f866104c1')
+    @decorators.idempotent_id('c0b89e56-accc-4c73-85f8-9c0f866104c1')
     def test_role_create_blank_name(self):
         # Should not be able to create a role with a blank name
         self.assertRaises(lib_exc.BadRequest, self.roles_client.create_role,
                           name='')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('585c8998-a8a4-4641-a5dd-abef7a8ced00')
+    @decorators.idempotent_id('585c8998-a8a4-4641-a5dd-abef7a8ced00')
     def test_create_role_by_unauthorized_user(self):
         # Non-administrator user should not be able to create role
         role_name = data_utils.rand_name(name='role')
@@ -60,7 +61,7 @@
                           name=role_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('a7edd17a-e34a-4aab-8bb7-fa6f498645b8')
+    @decorators.idempotent_id('a7edd17a-e34a-4aab-8bb7-fa6f498645b8')
     def test_create_role_request_without_token(self):
         # Request to create role without a valid token should fail
         token = self.client.auth_provider.get_token()
@@ -71,7 +72,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('c0cde2c8-81c1-4bb0-8fe2-cf615a3547a8')
+    @decorators.idempotent_id('c0cde2c8-81c1-4bb0-8fe2-cf615a3547a8')
     def test_role_create_duplicate(self):
         # Role names should be unique
         role_name = data_utils.rand_name(name='role-dup')
@@ -82,7 +83,7 @@
                           name=role_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('15347635-b5b1-4a87-a280-deb2bd6d865e')
+    @decorators.idempotent_id('15347635-b5b1-4a87-a280-deb2bd6d865e')
     def test_delete_role_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete role
         role_name = data_utils.rand_name(name='role')
@@ -93,7 +94,7 @@
                           self.non_admin_roles_client.delete_role, role_id)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('44b60b20-70de-4dac-beaf-a3fc2650a16b')
+    @decorators.idempotent_id('44b60b20-70de-4dac-beaf-a3fc2650a16b')
     def test_delete_role_request_without_token(self):
         # Request to delete role without a valid token should fail
         role_name = data_utils.rand_name(name='role')
@@ -108,7 +109,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('38373691-8551-453a-b074-4260ad8298ef')
+    @decorators.idempotent_id('38373691-8551-453a-b074-4260ad8298ef')
     def test_delete_role_non_existent(self):
         # Attempt to delete a non existent role should fail
         non_existent_role = data_utils.rand_uuid_hex()
@@ -116,7 +117,7 @@
                           non_existent_role)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('391df5cf-3ec3-46c9-bbe5-5cb58dd4dc41')
+    @decorators.idempotent_id('391df5cf-3ec3-46c9-bbe5-5cb58dd4dc41')
     def test_assign_user_role_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to
         # assign a role to user
@@ -127,7 +128,7 @@
             tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('f0d2683c-5603-4aee-95d7-21420e87cfd8')
+    @decorators.idempotent_id('f0d2683c-5603-4aee-95d7-21420e87cfd8')
     def test_assign_user_role_request_without_token(self):
         # Request to assign a role to a user without a valid token
         (user, tenant, role) = self._get_role_params()
@@ -140,7 +141,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('99b297f6-2b5d-47c7-97a9-8b6bb4f91042')
+    @decorators.idempotent_id('99b297f6-2b5d-47c7-97a9-8b6bb4f91042')
     def test_assign_user_role_for_non_existent_role(self):
         # Attempt to assign a non existent role to user should fail
         (user, tenant, role) = self._get_role_params()
@@ -150,7 +151,7 @@
                           tenant['id'], user['id'], non_existent_role)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('b2285aaa-9e76-4704-93a9-7a8acd0a6c8f')
+    @decorators.idempotent_id('b2285aaa-9e76-4704-93a9-7a8acd0a6c8f')
     def test_assign_user_role_for_non_existent_tenant(self):
         # Attempt to assign a role on a non existent tenant should fail
         (user, tenant, role) = self._get_role_params()
@@ -160,7 +161,7 @@
                           non_existent_tenant, user['id'], role['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('5c3132cd-c4c8-4402-b5ea-71eb44e97793')
+    @decorators.idempotent_id('5c3132cd-c4c8-4402-b5ea-71eb44e97793')
     def test_assign_duplicate_user_role(self):
         # Duplicate user role should not get assigned
         (user, tenant, role) = self._get_role_params()
@@ -172,7 +173,7 @@
                           tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d0537987-0977-448f-a435-904c15de7298')
+    @decorators.idempotent_id('d0537987-0977-448f-a435-904c15de7298')
     def test_remove_user_role_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to
         # remove a user's role
@@ -186,7 +187,7 @@
             tenant['id'], user['id'], role['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('cac81cf4-c1d2-47dc-90d3-f2b7eb572286')
+    @decorators.idempotent_id('cac81cf4-c1d2-47dc-90d3-f2b7eb572286')
     def test_remove_user_role_request_without_token(self):
         # Request to remove a user's role without a valid token
         (user, tenant, role) = self._get_role_params()
@@ -201,7 +202,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('ab32d759-cd16-41f1-a86e-44405fa9f6d2')
+    @decorators.idempotent_id('ab32d759-cd16-41f1-a86e-44405fa9f6d2')
     def test_remove_user_role_non_existent_role(self):
         # Attempt to delete a non existent role from a user should fail
         (user, tenant, role) = self._get_role_params()
@@ -214,7 +215,7 @@
                           tenant['id'], user['id'], non_existent_role)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('67a679ec-03dd-4551-bbfc-d1c93284f023')
+    @decorators.idempotent_id('67a679ec-03dd-4551-bbfc-d1c93284f023')
     def test_remove_user_role_non_existent_tenant(self):
         # Attempt to remove a role from a non existent tenant should fail
         (user, tenant, role) = self._get_role_params()
@@ -227,7 +228,7 @@
                           non_existent_tenant, user['id'], role['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7391ab4c-06f3-477a-a64a-c8e55ce89837')
+    @decorators.idempotent_id('7391ab4c-06f3-477a-a64a-c8e55ce89837')
     def test_list_user_roles_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to list
         # a user's roles
@@ -241,7 +242,7 @@
             tenant['id'], user['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('682adfb2-fd5f-4b0a-a9ca-322e9bebb907')
+    @decorators.idempotent_id('682adfb2-fd5f-4b0a-a9ca-322e9bebb907')
     def test_list_user_roles_request_without_token(self):
         # Request to list user's roles without a valid token should fail
         (user, tenant, role) = self._get_role_params()
diff --git a/tempest/api/identity/admin/v2/test_services.py b/tempest/api/identity/admin/v2/test_services.py
index 7973a03..3b0ddbb 100644
--- a/tempest/api/identity/admin/v2/test_services.py
+++ b/tempest/api/identity/admin/v2/test_services.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -28,7 +29,7 @@
         self.assertRaises(lib_exc.NotFound, self.services_client.show_service,
                           service_id)
 
-    @test.idempotent_id('84521085-c6e6-491c-9a08-ec9f70f90110')
+    @decorators.idempotent_id('84521085-c6e6-491c-9a08-ec9f70f90110')
     def test_create_get_delete_service(self):
         # GET Service
         # Creating a Service
@@ -63,7 +64,7 @@
         self.assertEqual(fetched_service['description'],
                          service_data['description'])
 
-    @test.idempotent_id('5d3252c8-e555-494b-a6c8-e11d7335da42')
+    @decorators.idempotent_id('5d3252c8-e555-494b-a6c8-e11d7335da42')
     def test_create_service_without_description(self):
         # Create a service only with name and type
         name = data_utils.rand_name('service')
@@ -78,7 +79,7 @@
         self.assertEqual(s_type, service['type'])
 
     @test.attr(type='smoke')
-    @test.idempotent_id('34ea6489-012d-4a86-9038-1287cadd5eca')
+    @decorators.idempotent_id('34ea6489-012d-4a86-9038-1287cadd5eca')
     def test_list_services(self):
         # Create, List, Verify and Delete Services
         services = []
diff --git a/tempest/api/identity/admin/v2/test_tenant_negative.py b/tempest/api/identity/admin/v2/test_tenant_negative.py
index baa78e9..e8c32b9 100644
--- a/tempest/api/identity/admin/v2/test_tenant_negative.py
+++ b/tempest/api/identity/admin/v2/test_tenant_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -22,14 +23,14 @@
 class TenantsNegativeTestJSON(base.BaseIdentityV2AdminTest):
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('ca9bb202-63dd-4240-8a07-8ef9c19c04bb')
+    @decorators.idempotent_id('ca9bb202-63dd-4240-8a07-8ef9c19c04bb')
     def test_list_tenants_by_unauthorized_user(self):
         # Non-administrator user should not be able to list tenants
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_tenants_client.list_tenants)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('df33926c-1c96-4d8d-a762-79cc6b0c3cf4')
+    @decorators.idempotent_id('df33926c-1c96-4d8d-a762-79cc6b0c3cf4')
     def test_list_tenant_request_without_token(self):
         # Request to list tenants without a valid token should fail
         token = self.client.auth_provider.get_token()
@@ -39,7 +40,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('162ba316-f18b-4987-8c0c-fd9140cd63ed')
+    @decorators.idempotent_id('162ba316-f18b-4987-8c0c-fd9140cd63ed')
     def test_tenant_delete_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete a tenant
         tenant_name = data_utils.rand_name(name='tenant')
@@ -50,7 +51,7 @@
                           tenant['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('e450db62-2e9d-418f-893a-54772d6386b1')
+    @decorators.idempotent_id('e450db62-2e9d-418f-893a-54772d6386b1')
     def test_tenant_delete_request_without_token(self):
         # Request to delete a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
@@ -64,14 +65,14 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('9c9a2aed-6e3c-467a-8f5c-89da9d1b516b')
+    @decorators.idempotent_id('9c9a2aed-6e3c-467a-8f5c-89da9d1b516b')
     def test_delete_non_existent_tenant(self):
         # Attempt to delete a non existent tenant should fail
         self.assertRaises(lib_exc.NotFound, self.tenants_client.delete_tenant,
                           data_utils.rand_uuid_hex())
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('af16f44b-a849-46cb-9f13-a751c388f739')
+    @decorators.idempotent_id('af16f44b-a849-46cb-9f13-a751c388f739')
     def test_tenant_create_duplicate(self):
         # Tenant names should be unique
         tenant_name = data_utils.rand_name(name='tenant')
@@ -83,7 +84,7 @@
                           name=tenant_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d26b278a-6389-4702-8d6e-5980d80137e0')
+    @decorators.idempotent_id('d26b278a-6389-4702-8d6e-5980d80137e0')
     def test_create_tenant_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to create a tenant
         tenant_name = data_utils.rand_name(name='tenant')
@@ -92,7 +93,7 @@
                           name=tenant_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('a3ee9d7e-6920-4dd5-9321-d4b2b7f0a638')
+    @decorators.idempotent_id('a3ee9d7e-6920-4dd5-9321-d4b2b7f0a638')
     def test_create_tenant_request_without_token(self):
         # Create tenant request without a token should not be authorized
         tenant_name = data_utils.rand_name(name='tenant')
@@ -104,7 +105,7 @@
         self.client.auth_provider.clear_auth()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('5a2e4ca9-b0c0-486c-9c48-64a94fba2395')
+    @decorators.idempotent_id('5a2e4ca9-b0c0-486c-9c48-64a94fba2395')
     def test_create_tenant_with_empty_name(self):
         # Tenant name should not be empty
         self.assertRaises(lib_exc.BadRequest,
@@ -112,7 +113,7 @@
                           name='')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('2ff18d1e-dfe3-4359-9dc3-abf582c196b9')
+    @decorators.idempotent_id('2ff18d1e-dfe3-4359-9dc3-abf582c196b9')
     def test_create_tenants_name_length_over_64(self):
         # Tenant name length should not be greater than 64 characters
         tenant_name = 'a' * 65
@@ -121,14 +122,14 @@
                           name=tenant_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('bd20dc2a-9557-4db7-b755-f48d952ad706')
+    @decorators.idempotent_id('bd20dc2a-9557-4db7-b755-f48d952ad706')
     def test_update_non_existent_tenant(self):
         # Attempt to update a non existent tenant should fail
         self.assertRaises(lib_exc.NotFound, self.tenants_client.update_tenant,
                           data_utils.rand_uuid_hex())
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('41704dc5-c5f7-4f79-abfa-76e6fedc570b')
+    @decorators.idempotent_id('41704dc5-c5f7-4f79-abfa-76e6fedc570b')
     def test_tenant_update_by_unauthorized_user(self):
         # Non-administrator user should not be able to update a tenant
         tenant_name = data_utils.rand_name(name='tenant')
@@ -139,7 +140,7 @@
                           tenant['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7a421573-72c7-4c22-a98e-ce539219c657')
+    @decorators.idempotent_id('7a421573-72c7-4c22-a98e-ce539219c657')
     def test_tenant_update_request_without_token(self):
         # Request to update a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant')
diff --git a/tempest/api/identity/admin/v2/test_tenants.py b/tempest/api/identity/admin/v2/test_tenants.py
index f4fad53..eb51b5a 100644
--- a/tempest/api/identity/admin/v2/test_tenants.py
+++ b/tempest/api/identity/admin/v2/test_tenants.py
@@ -16,12 +16,12 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class TenantsTestJSON(base.BaseIdentityV2AdminTest):
 
-    @test.idempotent_id('16c6e05c-6112-4b0e-b83f-5e43f221b6b0')
+    @decorators.idempotent_id('16c6e05c-6112-4b0e-b83f-5e43f221b6b0')
     def test_tenant_list_delete(self):
         # Create several tenants and delete them
         tenants = []
@@ -45,7 +45,7 @@
         found = [tenant for tenant in body if tenant['id'] in tenant_ids]
         self.assertFalse(any(found), 'Tenants failed to delete')
 
-    @test.idempotent_id('d25e9f24-1310-4d29-b61b-d91299c21d6d')
+    @decorators.idempotent_id('d25e9f24-1310-4d29-b61b-d91299c21d6d')
     def test_tenant_create_with_description(self):
         # Create tenant with a description
         tenant_name = data_utils.rand_name(name='tenant')
@@ -66,7 +66,7 @@
                          'to be set')
         self.tenants_client.delete_tenant(tenant_id)
 
-    @test.idempotent_id('670bdddc-1cd7-41c7-b8e2-751cfb67df50')
+    @decorators.idempotent_id('670bdddc-1cd7-41c7-b8e2-751cfb67df50')
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
         tenant_name = data_utils.rand_name(name='tenant')
@@ -84,7 +84,7 @@
         self.assertTrue(en2, 'Enable should be True in lookup')
         self.tenants_client.delete_tenant(tenant_id)
 
-    @test.idempotent_id('3be22093-b30f-499d-b772-38340e5e16fb')
+    @decorators.idempotent_id('3be22093-b30f-499d-b772-38340e5e16fb')
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
         tenant_name = data_utils.rand_name(name='tenant')
@@ -104,7 +104,7 @@
                          'Enable should be False in lookup')
         self.tenants_client.delete_tenant(tenant_id)
 
-    @test.idempotent_id('781f2266-d128-47f3-8bdb-f70970add238')
+    @decorators.idempotent_id('781f2266-d128-47f3-8bdb-f70970add238')
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
         t_name1 = data_utils.rand_name(name='tenant')
@@ -131,7 +131,7 @@
 
         self.tenants_client.delete_tenant(t_id)
 
-    @test.idempotent_id('859fcfe1-3a03-41ef-86f9-b19a47d1cd87')
+    @decorators.idempotent_id('859fcfe1-3a03-41ef-86f9-b19a47d1cd87')
     def test_tenant_update_desc(self):
         # Update description attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
@@ -161,7 +161,7 @@
 
         self.tenants_client.delete_tenant(t_id)
 
-    @test.idempotent_id('8fc8981f-f12d-4c66-9972-2bdcf2bc2e1a')
+    @decorators.idempotent_id('8fc8981f-f12d-4c66-9972-2bdcf2bc2e1a')
     def test_tenant_update_enable(self):
         # Update the enabled attribute of a tenant
         t_name = data_utils.rand_name(name='tenant')
diff --git a/tempest/api/identity/admin/v2/test_tokens.py b/tempest/api/identity/admin/v2/test_tokens.py
index 2f7e941..7b5e01e 100644
--- a/tempest/api/identity/admin/v2/test_tokens.py
+++ b/tempest/api/identity/admin/v2/test_tokens.py
@@ -15,12 +15,12 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class TokensTestJSON(base.BaseIdentityV2AdminTest):
 
-    @test.idempotent_id('453ad4d5-e486-4b2f-be72-cffc8149e586')
+    @decorators.idempotent_id('453ad4d5-e486-4b2f-be72-cffc8149e586')
     def test_create_get_delete_token(self):
         # get a token by username and password
         user_name = data_utils.rand_name(name='user')
@@ -54,7 +54,7 @@
         # then delete the token
         self.client.delete_token(token_id)
 
-    @test.idempotent_id('25ba82ee-8a32-4ceb-8f50-8b8c71e8765e')
+    @decorators.idempotent_id('25ba82ee-8a32-4ceb-8f50-8b8c71e8765e')
     def test_rescope_token(self):
         """An unscoped token can be requested
 
diff --git a/tempest/api/identity/admin/v2/test_users.py b/tempest/api/identity/admin/v2/test_users.py
index 4a4b51a..5889813 100644
--- a/tempest/api/identity/admin/v2/test_users.py
+++ b/tempest/api/identity/admin/v2/test_users.py
@@ -20,6 +20,7 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -33,7 +34,7 @@
         cls.alt_email = cls.alt_user + '@testmail.tm'
 
     @test.attr(type='smoke')
-    @test.idempotent_id('2d55a71e-da1d-4b43-9c03-d269fd93d905')
+    @decorators.idempotent_id('2d55a71e-da1d-4b43-9c03-d269fd93d905')
     def test_create_user(self):
         # Create a user
         tenant = self.setup_test_tenant()
@@ -45,7 +46,7 @@
         self.addCleanup(self.users_client.delete_user, user['id'])
         self.assertEqual(self.alt_user, user['name'])
 
-    @test.idempotent_id('89d9fdb8-15c2-4304-a429-48715d0af33d')
+    @decorators.idempotent_id('89d9fdb8-15c2-4304-a429-48715d0af33d')
     def test_create_user_with_enabled(self):
         # Create a user with enabled : False
         tenant = self.setup_test_tenant()
@@ -61,7 +62,7 @@
         self.assertEqual(False, user['enabled'])
         self.assertEqual(self.alt_email, user['email'])
 
-    @test.idempotent_id('39d05857-e8a5-4ed4-ba83-0b52d3ab97ee')
+    @decorators.idempotent_id('39d05857-e8a5-4ed4-ba83-0b52d3ab97ee')
     def test_update_user(self):
         # Test case to check if updating of user attributes is successful.
         test_user = data_utils.rand_name('test_user')
@@ -88,7 +89,7 @@
         self.assertEqual(u_email2, updated_user['email'])
         self.assertEqual(False, update_user['enabled'])
 
-    @test.idempotent_id('29ed26f4-a74e-4425-9a85-fdb49fa269d2')
+    @decorators.idempotent_id('29ed26f4-a74e-4425-9a85-fdb49fa269d2')
     def test_delete_user(self):
         # Delete a user
         test_user = data_utils.rand_name('test_user')
@@ -102,7 +103,7 @@
                         self.users_client.delete_user, user['id'])
         self.users_client.delete_user(user['id'])
 
-    @test.idempotent_id('aca696c3-d645-4f45-b728-63646045beb1')
+    @decorators.idempotent_id('aca696c3-d645-4f45-b728-63646045beb1')
     def test_user_authentication(self):
         # Valid user's token is authenticated
         password = data_utils.rand_password()
@@ -117,7 +118,7 @@
                                password,
                                tenant['name'])
 
-    @test.idempotent_id('5d1fa498-4c2d-4732-a8fe-2b054598cfdd')
+    @decorators.idempotent_id('5d1fa498-4c2d-4732-a8fe-2b054598cfdd')
     def test_authentication_request_without_token(self):
         # Request for token authentication with a valid token in header
         password = data_utils.rand_password()
@@ -136,7 +137,7 @@
                                tenant['name'])
         self.client.auth_provider.clear_auth()
 
-    @test.idempotent_id('a149c02e-e5e0-4b89-809e-7e8faf33ccda')
+    @decorators.idempotent_id('a149c02e-e5e0-4b89-809e-7e8faf33ccda')
     def test_get_users(self):
         # Get a list of users and find the test user
         user = self.setup_test_user()
@@ -145,7 +146,7 @@
                         matchers.Contains(user['name']),
                         "Could not find %s" % user['name'])
 
-    @test.idempotent_id('6e317209-383a-4bed-9f10-075b7c82c79a')
+    @decorators.idempotent_id('6e317209-383a-4bed-9f10-075b7c82c79a')
     def test_list_users_for_tenant(self):
         # Return a list of all users for a tenant
         tenant = self.setup_test_tenant()
@@ -181,7 +182,7 @@
                          "Failed to find user %s in fetched list" %
                          ', '.join(m_user for m_user in missing_users))
 
-    @test.idempotent_id('a8b54974-40e1-41c0-b812-50fc90827971')
+    @decorators.idempotent_id('a8b54974-40e1-41c0-b812-50fc90827971')
     def test_list_users_with_roles_for_tenant(self):
         # Return list of users on tenant when roles are assigned to users
         user = self.setup_test_user()
@@ -217,7 +218,7 @@
                          "Failed to find user %s in fetched list" %
                          ', '.join(m_user for m_user in missing_users))
 
-    @test.idempotent_id('1aeb25ac-6ec5-4d8b-97cb-7ac3567a989f')
+    @decorators.idempotent_id('1aeb25ac-6ec5-4d8b-97cb-7ac3567a989f')
     def test_update_user_password(self):
         # Test case to check if updating of user password is successful.
         user = self.setup_test_user()
diff --git a/tempest/api/identity/admin/v2/test_users_negative.py b/tempest/api/identity/admin/v2/test_users_negative.py
index 597413e..49fda4e 100644
--- a/tempest/api/identity/admin/v2/test_users_negative.py
+++ b/tempest/api/identity/admin/v2/test_users_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -29,7 +30,7 @@
         cls.alt_email = cls.alt_user + '@testmail.tm'
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('60a1f5fa-5744-4cdf-82bf-60b7de2d29a4')
+    @decorators.idempotent_id('60a1f5fa-5744-4cdf-82bf-60b7de2d29a4')
     def test_create_user_by_unauthorized_user(self):
         # Non-administrator should not be authorized to create a user
         tenant = self.setup_test_tenant()
@@ -40,7 +41,7 @@
                           email=self.alt_email)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d80d0c2f-4514-4d1e-806d-0930dfc5a187')
+    @decorators.idempotent_id('d80d0c2f-4514-4d1e-806d-0930dfc5a187')
     def test_create_user_with_empty_name(self):
         # User with an empty name should not be created
         tenant = self.setup_test_tenant()
@@ -50,7 +51,7 @@
                           email=self.alt_email)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7704b4f3-3b75-4b82-87cc-931d41c8f780')
+    @decorators.idempotent_id('7704b4f3-3b75-4b82-87cc-931d41c8f780')
     def test_create_user_with_name_length_over_255(self):
         # Length of user name filed should be restricted to 255 characters
         tenant = self.setup_test_tenant()
@@ -60,7 +61,7 @@
                           email=self.alt_email)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('57ae8558-120c-4723-9308-3751474e7ecf')
+    @decorators.idempotent_id('57ae8558-120c-4723-9308-3751474e7ecf')
     def test_create_user_with_duplicate_name(self):
         # Duplicate user should not be created
         password = data_utils.rand_password()
@@ -73,7 +74,7 @@
                           email=user['email'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('0132cc22-7c4f-42e1-9e50-ac6aad31d59a')
+    @decorators.idempotent_id('0132cc22-7c4f-42e1-9e50-ac6aad31d59a')
     def test_create_user_for_non_existent_tenant(self):
         # Attempt to create a user in a non-existent tenant should fail
         self.assertRaises(lib_exc.NotFound, self.users_client.create_user,
@@ -83,7 +84,7 @@
                           email=self.alt_email)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('55bbb103-d1ae-437b-989b-bcdf8175c1f4')
+    @decorators.idempotent_id('55bbb103-d1ae-437b-989b-bcdf8175c1f4')
     def test_create_user_request_without_a_token(self):
         # Request to create a user without a valid token should fail
         tenant = self.setup_test_tenant()
@@ -101,7 +102,7 @@
                           email=self.alt_email)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('23a2f3da-4a1a-41da-abdd-632328a861ad')
+    @decorators.idempotent_id('23a2f3da-4a1a-41da-abdd-632328a861ad')
     def test_create_user_with_enabled_non_bool(self):
         # Attempt to create a user with valid enabled para should fail
         tenant = self.setup_test_tenant()
@@ -112,7 +113,7 @@
                           email=self.alt_email, enabled=3)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('3d07e294-27a0-4144-b780-a2a1bf6fee19')
+    @decorators.idempotent_id('3d07e294-27a0-4144-b780-a2a1bf6fee19')
     def test_update_user_for_non_existent_user(self):
         # Attempt to update a user non-existent user should fail
         user_name = data_utils.rand_name('user')
@@ -121,7 +122,7 @@
                           non_existent_id, name=user_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('3cc2a64b-83aa-4b02-88f0-d6ab737c4466')
+    @decorators.idempotent_id('3cc2a64b-83aa-4b02-88f0-d6ab737c4466')
     def test_update_user_request_without_a_token(self):
         # Request to update a user without a valid token should fail
 
@@ -137,7 +138,7 @@
                           self.alt_user)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('424868d5-18a7-43e1-8903-a64f95ee3aac')
+    @decorators.idempotent_id('424868d5-18a7-43e1-8903-a64f95ee3aac')
     def test_update_user_by_unauthorized_user(self):
         # Non-administrator should not be authorized to update user
         self.assertRaises(lib_exc.Forbidden,
@@ -145,7 +146,7 @@
                           self.alt_user)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d45195d5-33ed-41b9-a452-7d0d6a00f6e9')
+    @decorators.idempotent_id('d45195d5-33ed-41b9-a452-7d0d6a00f6e9')
     def test_delete_users_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to delete a user
         user = self.setup_test_user()
@@ -154,14 +155,14 @@
                           user['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7cc82f7e-9998-4f89-abae-23df36495867')
+    @decorators.idempotent_id('7cc82f7e-9998-4f89-abae-23df36495867')
     def test_delete_non_existent_user(self):
         # Attempt to delete a non-existent user should fail
         self.assertRaises(lib_exc.NotFound, self.users_client.delete_user,
                           'junk12345123')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('57fe1df8-0aa7-46c0-ae9f-c2e785c7504a')
+    @decorators.idempotent_id('57fe1df8-0aa7-46c0-ae9f-c2e785c7504a')
     def test_delete_user_request_without_a_token(self):
         # Request to delete a user without a valid token should fail
 
@@ -177,7 +178,7 @@
                           self.alt_user)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('593a4981-f6d4-460a-99a1-57a78bf20829')
+    @decorators.idempotent_id('593a4981-f6d4-460a-99a1-57a78bf20829')
     def test_authentication_for_disabled_user(self):
         # Disabled user's token should not get authenticated
         password = data_utils.rand_password()
@@ -190,7 +191,7 @@
                           tenant['name'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('440a7a8d-9328-4b7b-83e0-d717010495e4')
+    @decorators.idempotent_id('440a7a8d-9328-4b7b-83e0-d717010495e4')
     def test_authentication_when_tenant_is_disabled(self):
         # User's token for a disabled tenant should not be authenticated
         password = data_utils.rand_password()
@@ -203,7 +204,7 @@
                           tenant['name'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('921f1ad6-7907-40b8-853f-637e7ee52178')
+    @decorators.idempotent_id('921f1ad6-7907-40b8-853f-637e7ee52178')
     def test_authentication_with_invalid_tenant(self):
         # User's token for an invalid tenant should not be authenticated
         password = data_utils.rand_password()
@@ -214,7 +215,7 @@
                           'junktenant1234')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('bde9aecd-3b1c-4079-858f-beb5deaa5b5e')
+    @decorators.idempotent_id('bde9aecd-3b1c-4079-858f-beb5deaa5b5e')
     def test_authentication_with_invalid_username(self):
         # Non-existent user's token should not get authenticated
         password = data_utils.rand_password()
@@ -224,7 +225,7 @@
                           'junkuser123', password, tenant['name'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('d5308b33-3574-43c3-8d87-1c090c5e1eca')
+    @decorators.idempotent_id('d5308b33-3574-43c3-8d87-1c090c5e1eca')
     def test_authentication_with_invalid_password(self):
         # User's token with invalid password should not be authenticated
         user = self.setup_test_user()
@@ -233,14 +234,14 @@
                           user['name'], 'junkpass1234', tenant['name'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('284192ce-fb7c-4909-a63b-9a502e0ddd11')
+    @decorators.idempotent_id('284192ce-fb7c-4909-a63b-9a502e0ddd11')
     def test_get_users_by_unauthorized_user(self):
         # Non-administrator user should not be authorized to get user list
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_users_client.list_users)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('a73591ec-1903-4ffe-be42-282b39fefc9d')
+    @decorators.idempotent_id('a73591ec-1903-4ffe-be42-282b39fefc9d')
     def test_get_users_request_without_token(self):
         # Request to get list of users without a valid token should fail
         token = self.client.auth_provider.get_token()
@@ -252,7 +253,7 @@
         self.assertRaises(lib_exc.Unauthorized, self.users_client.list_users)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('f5d39046-fc5f-425c-b29e-bac2632da28e')
+    @decorators.idempotent_id('f5d39046-fc5f-425c-b29e-bac2632da28e')
     def test_list_users_with_invalid_tenant(self):
         # Should not be able to return a list of all
         # users for a non-existent tenant
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index d4fe32d..e5a218d 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -16,6 +16,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -52,7 +53,7 @@
         self.creds_client.delete_credential(cred_id)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('7cd59bf9-bda4-4c72-9467-d21cab278355')
+    @decorators.idempotent_id('7cd59bf9-bda4-4c72-9467-d21cab278355')
     def test_credentials_create_get_update_delete(self):
         blob = '{"access": "%s", "secret": "%s"}' % (
             data_utils.rand_name('Access'), data_utils.rand_name('Secret'))
@@ -87,7 +88,7 @@
             self.assertEqual(update_body['blob'][value2],
                              get_body['blob'][value2])
 
-    @test.idempotent_id('13202c00-0021-42a1-88d4-81b44d448aab')
+    @decorators.idempotent_id('13202c00-0021-42a1-88d4-81b44d448aab')
     def test_credentials_list_delete(self):
         created_cred_ids = list()
         fetched_cred_ids = list()
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 361ff31..110695d 100644
--- a/tempest/api/identity/admin/v3/test_default_project_id.py
+++ b/tempest/api/identity/admin/v3/test_default_project_id.py
@@ -14,7 +14,7 @@
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest.lib import auth
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
@@ -32,7 +32,7 @@
         self.domains_client.update_domain(domain_id, enabled=False)
         self.domains_client.delete_domain(domain_id)
 
-    @test.idempotent_id('d6110661-6a71-49a7-a453-b5e26640ff6d')
+    @decorators.idempotent_id('d6110661-6a71-49a7-a453-b5e26640ff6d')
     def test_default_project_id(self):
         # create a domain
         dom_name = data_utils.rand_name('dom')
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index e71341f..4cf9f66 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -17,6 +17,7 @@
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest import test
 
 CONF = config.CONF
@@ -50,7 +51,7 @@
         cls.domains_client.update_domain(domain_id, enabled=False)
         cls.domains_client.delete_domain(domain_id)
 
-    @test.idempotent_id('8cf516ef-2114-48f1-907b-d32726c734d4')
+    @decorators.idempotent_id('8cf516ef-2114-48f1-907b-d32726c734d4')
     def test_list_domains(self):
         # Test to list domains
         fetched_ids = list()
@@ -62,7 +63,7 @@
                         if d['id'] not in fetched_ids]
         self.assertEqual(0, len(missing_doms))
 
-    @test.idempotent_id('c6aee07b-4981-440c-bb0b-eb598f58ffe9')
+    @decorators.idempotent_id('c6aee07b-4981-440c-bb0b-eb598f58ffe9')
     def test_list_domains_filter_by_name(self):
         # List domains filtering by name
         params = {'name': self.setup_domains[0]['name']}
@@ -74,7 +75,7 @@
         self.assertEqual(self.setup_domains[0]['name'],
                          fetched_domains[0]['name'])
 
-    @test.idempotent_id('3fd19840-65c1-43f8-b48c-51bdd066dff9')
+    @decorators.idempotent_id('3fd19840-65c1-43f8-b48c-51bdd066dff9')
     def test_list_domains_filter_by_enabled(self):
         # List domains filtering by enabled domains
         params = {'enabled': True}
@@ -87,7 +88,7 @@
             self.assertEqual(True, domain['enabled'])
 
     @test.attr(type='smoke')
-    @test.idempotent_id('f2f5b44a-82e8-4dad-8084-0661ea3b18cf')
+    @decorators.idempotent_id('f2f5b44a-82e8-4dad-8084-0661ea3b18cf')
     def test_create_update_delete_domain(self):
         # Create domain
         d_name = data_utils.rand_name('domain')
@@ -132,7 +133,7 @@
         domains_list = [d['id'] for d in body]
         self.assertNotIn(domain['id'], domains_list)
 
-    @test.idempotent_id('036df86e-bb5d-42c0-a7c2-66b9db3a6046')
+    @decorators.idempotent_id('036df86e-bb5d-42c0-a7c2-66b9db3a6046')
     def test_create_domain_with_disabled_status(self):
         # Create domain with enabled status as false
         d_name = data_utils.rand_name('domain')
@@ -144,7 +145,7 @@
         self.assertFalse(domain['enabled'])
         self.assertEqual(d_desc, domain['description'])
 
-    @test.idempotent_id('2abf8764-309a-4fa9-bc58-201b799817ad')
+    @decorators.idempotent_id('2abf8764-309a-4fa9-bc58-201b799817ad')
     def test_create_domain_without_description(self):
         # Create domain only with name
         d_name = data_utils.rand_name('domain')
@@ -168,7 +169,7 @@
         super(DefaultDomainTestJSON, cls).resource_setup()
 
     @test.attr(type='smoke')
-    @test.idempotent_id('17a5de24-e6a0-4e4a-a9ee-d85b6e5612b5')
+    @decorators.idempotent_id('17a5de24-e6a0-4e4a-a9ee-d85b6e5612b5')
     def test_default_domain_exists(self):
         domain = self.domains_client.show_domain(self.domain_id)['domain']
 
diff --git a/tempest/api/identity/admin/v3/test_domains_negative.py b/tempest/api/identity/admin/v3/test_domains_negative.py
index 100a121..280a5a8 100644
--- a/tempest/api/identity/admin/v3/test_domains_negative.py
+++ b/tempest/api/identity/admin/v3/test_domains_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.lib.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -23,7 +24,7 @@
     _interface = 'json'
 
     @test.attr(type=['negative', 'gate'])
-    @test.idempotent_id('1f3fbff5-4e44-400d-9ca1-d953f05f609b')
+    @decorators.idempotent_id('1f3fbff5-4e44-400d-9ca1-d953f05f609b')
     def test_delete_active_domain(self):
         d_name = data_utils.rand_name('domain')
         d_desc = data_utils.rand_name('domain-desc')
@@ -39,14 +40,14 @@
                           domain_id)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('9018461d-7d24-408d-b3fe-ae37e8cd5c9e')
+    @decorators.idempotent_id('9018461d-7d24-408d-b3fe-ae37e8cd5c9e')
     def test_create_domain_with_empty_name(self):
         # Domain name should not be empty
         self.assertRaises(lib_exc.BadRequest,
                           self.domains_client.create_domain, name='')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('37b1bbf2-d664-4785-9a11-333438586eae')
+    @decorators.idempotent_id('37b1bbf2-d664-4785-9a11-333438586eae')
     def test_create_domain_with_name_length_over_64(self):
         # Domain name length should not ne greater than 64 characters
         d_name = 'a' * 65
@@ -55,14 +56,14 @@
                           name=d_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('43781c07-764f-4cf2-a405-953c1916f605')
+    @decorators.idempotent_id('43781c07-764f-4cf2-a405-953c1916f605')
     def test_delete_non_existent_domain(self):
         # Attempt to delete a non existent domain should fail
         self.assertRaises(lib_exc.NotFound, self.domains_client.delete_domain,
                           data_utils.rand_uuid_hex())
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('e6f9e4a2-4f36-4be8-bdbc-4e199ae29427')
+    @decorators.idempotent_id('e6f9e4a2-4f36-4be8-bdbc-4e199ae29427')
     def test_domain_create_duplicate(self):
         domain_name = data_utils.rand_name('domain-dup')
         domain = self.domains_client.create_domain(name=domain_name)['domain']
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index ef450a2..686743b 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -58,7 +59,7 @@
             cls.services_client.delete_service(s)
         super(EndPointsTestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('c19ecf90-240e-4e23-9966-21cee3f6a618')
+    @decorators.idempotent_id('c19ecf90-240e-4e23-9966-21cee3f6a618')
     def test_list_endpoints(self):
         # Get a list of endpoints
         fetched_endpoints = self.client.list_endpoints()['endpoints']
@@ -69,7 +70,7 @@
                          "Failed to find endpoint %s in fetched list" %
                          ', '.join(str(e) for e in missing_endpoints))
 
-    @test.idempotent_id('0e2446d2-c1fd-461b-a729-b9e73e3e3b37')
+    @decorators.idempotent_id('0e2446d2-c1fd-461b-a729-b9e73e3e3b37')
     def test_create_list_show_delete_endpoint(self):
         region = data_utils.rand_name('region')
         url = data_utils.rand_url()
@@ -110,7 +111,7 @@
         self.assertNotIn(endpoint['id'], fetched_endpoints_id)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('37e8f15e-ee7c-4657-a1e7-f6b61e375eff')
+    @decorators.idempotent_id('37e8f15e-ee7c-4657-a1e7-f6b61e375eff')
     def test_update_endpoint(self):
         # Creating an endpoint so as to check update endpoint
         # with new values
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index f0f8707..53c2b1f 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -16,6 +16,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -48,7 +49,7 @@
         super(EndpointsNegativeTestJSON, cls).resource_cleanup()
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('ac6c137e-4d3d-448f-8c83-4f13d0942651')
+    @decorators.idempotent_id('ac6c137e-4d3d-448f-8c83-4f13d0942651')
     def test_create_with_enabled_False(self):
         # Enabled should be a boolean, not a string like 'False'
         interface = 'public'
@@ -59,7 +60,7 @@
                           url=url, region=region, enabled='False')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('9c43181e-0627-484a-8c79-923e8a59598b')
+    @decorators.idempotent_id('9c43181e-0627-484a-8c79-923e8a59598b')
     def test_create_with_enabled_True(self):
         # Enabled should be a boolean, not a string like 'True'
         interface = 'public'
@@ -86,13 +87,13 @@
                           endpoint_for_update['id'], enabled=enabled)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('65e41f32-5eb7-498f-a92a-a6ccacf7439a')
+    @decorators.idempotent_id('65e41f32-5eb7-498f-a92a-a6ccacf7439a')
     def test_update_with_enabled_False(self):
         # Enabled should be a boolean, not a string like 'False'
         self._assert_update_raises_bad_request('False')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('faba3587-f066-4757-a48e-b4a3f01803bb')
+    @decorators.idempotent_id('faba3587-f066-4757-a48e-b4a3f01803bb')
     def test_update_with_enabled_True(self):
         # Enabled should be a boolean, not a string like 'True'
         self._assert_update_raises_bad_request('True')
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 34b4468..5ce0709 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -32,7 +33,7 @@
         cls.domains_client.delete_domain(cls.domain['id'])
         super(GroupsV3TestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('2e80343b-6c81-4ac3-88c7-452f3e9d5129')
+    @decorators.idempotent_id('2e80343b-6c81-4ac3-88c7-452f3e9d5129')
     def test_group_create_update_get(self):
         name = data_utils.rand_name('Group')
         description = data_utils.rand_name('Description')
@@ -55,7 +56,7 @@
         self.assertEqual(new_name, new_group['name'])
         self.assertEqual(new_desc, new_group['description'])
 
-    @test.idempotent_id('b66eb441-b08a-4a6d-81ab-fef71baeb26c')
+    @decorators.idempotent_id('b66eb441-b08a-4a6d-81ab-fef71baeb26c')
     def test_group_update_with_few_fields(self):
         name = data_utils.rand_name('Group')
         old_description = data_utils.rand_name('Description')
@@ -72,7 +73,7 @@
         self.assertEqual(old_description, updated_group['description'])
 
     @test.attr(type='smoke')
-    @test.idempotent_id('1598521a-2f36-4606-8df9-30772bd51339')
+    @decorators.idempotent_id('1598521a-2f36-4606-8df9-30772bd51339')
     def test_group_users_add_list_delete(self):
         name = data_utils.rand_name('Group')
         group = self.groups_client.create_group(
@@ -101,7 +102,7 @@
         group_users = self.groups_client.list_group_users(group['id'])['users']
         self.assertEqual(len(group_users), 0)
 
-    @test.idempotent_id('64573281-d26a-4a52-b899-503cb0f4e4ec')
+    @decorators.idempotent_id('64573281-d26a-4a52-b899-503cb0f4e4ec')
     def test_list_user_groups(self):
         # create a user
         user = self.users_client.create_user(
@@ -123,7 +124,7 @@
                          sorted(user_groups, key=lambda k: k['name']))
         self.assertEqual(2, len(user_groups))
 
-    @test.idempotent_id('cc9a57a5-a9ed-4f2d-a29f-4f979a06ec71')
+    @decorators.idempotent_id('cc9a57a5-a9ed-4f2d-a29f-4f979a06ec71')
     def test_list_groups(self):
         # Test to list groups
         group_ids = list()
diff --git a/tempest/api/identity/admin/v3/test_inherits.py b/tempest/api/identity/admin/v3/test_inherits.py
index 33fce8d..8523396 100644
--- a/tempest/api/identity/admin/v3/test_inherits.py
+++ b/tempest/api/identity/admin/v3/test_inherits.py
@@ -12,6 +12,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -61,7 +62,7 @@
 
 class InheritsV3TestJSON(BaseInheritsV3Test):
 
-    @test.idempotent_id('4e6f0366-97c8-423c-b2be-41eae6ac91c8')
+    @decorators.idempotent_id('4e6f0366-97c8-423c-b2be-41eae6ac91c8')
     def test_inherit_assign_list_check_revoke_roles_on_domains_user(self):
         # Create role
         src_role = self.roles_client.create_role(
@@ -87,7 +88,7 @@
         self.inherited_roles_client.delete_inherited_role_from_user_on_domain(
             self.domain['id'], self.user['id'], src_role['id'])
 
-    @test.idempotent_id('c7a8dda2-be50-4fb4-9a9c-e830771078b1')
+    @decorators.idempotent_id('c7a8dda2-be50-4fb4-9a9c-e830771078b1')
     def test_inherit_assign_list_check_revoke_roles_on_domains_group(self):
         # Create role
         src_role = self.roles_client.create_role(
@@ -113,7 +114,7 @@
         self.inherited_roles_client.delete_inherited_role_from_group_on_domain(
             self.domain['id'], self.group['id'], src_role['id'])
 
-    @test.idempotent_id('18b70e45-7687-4b72-8277-b8f1a47d7591')
+    @decorators.idempotent_id('18b70e45-7687-4b72-8277-b8f1a47d7591')
     def test_inherit_assign_check_revoke_roles_on_projects_user(self):
         # Create role
         src_role = self.roles_client.create_role(
@@ -130,7 +131,7 @@
         self.inherited_roles_client.delete_inherited_role_from_user_on_project(
             self.project['id'], self.user['id'], src_role['id'])
 
-    @test.idempotent_id('26021436-d5a4-4256-943c-ded01e0d4b45')
+    @decorators.idempotent_id('26021436-d5a4-4256-943c-ded01e0d4b45')
     def test_inherit_assign_check_revoke_roles_on_projects_group(self):
         # Create role
         src_role = self.roles_client.create_role(
@@ -148,7 +149,7 @@
          delete_inherited_role_from_group_on_project(
              self.project['id'], self.group['id'], src_role['id']))
 
-    @test.idempotent_id('3acf666e-5354-42ac-8e17-8b68893bcd36')
+    @decorators.idempotent_id('3acf666e-5354-42ac-8e17-8b68893bcd36')
     def test_inherit_assign_list_revoke_user_roles_on_domain(self):
         # Create role
         src_role = self.roles_client.create_role(
@@ -198,7 +199,7 @@
             effective=True, **params)['role_assignments']
         self.assertEmpty(assignments)
 
-    @test.idempotent_id('9f02ccd9-9b57-46b4-8f77-dd5a736f3a06')
+    @decorators.idempotent_id('9f02ccd9-9b57-46b4-8f77-dd5a736f3a06')
     def test_inherit_assign_list_revoke_user_roles_on_project_tree(self):
         # Create role
         src_role = self.roles_client.create_role(
diff --git a/tempest/api/identity/admin/v3/test_list_projects.py b/tempest/api/identity/admin/v3/test_list_projects.py
index 7d9e41b..2d046bb 100644
--- a/tempest/api/identity/admin/v3/test_list_projects.py
+++ b/tempest/api/identity/admin/v3/test_list_projects.py
@@ -15,7 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class ListProjectsTestJSON(base.BaseIdentityV3AdminTest):
@@ -56,7 +56,7 @@
         cls.domains_client.delete_domain(cls.domain['id'])
         super(ListProjectsTestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('1d830662-22ad-427c-8c3e-4ec854b0af44')
+    @decorators.idempotent_id('1d830662-22ad-427c-8c3e-4ec854b0af44')
     def test_list_projects(self):
         # List projects
         list_projects = self.projects_client.list_projects()['projects']
@@ -65,23 +65,23 @@
             show_project = self.projects_client.show_project(p)['project']
             self.assertIn(show_project, list_projects)
 
-    @test.idempotent_id('fab13f3c-f6a6-4b9f-829b-d32fd44fdf10')
+    @decorators.idempotent_id('fab13f3c-f6a6-4b9f-829b-d32fd44fdf10')
     def test_list_projects_with_domains(self):
         # List projects with domain
         self._list_projects_with_params(
             {'domain_id': self.domain['id']}, 'domain_id')
 
-    @test.idempotent_id('0fe7a334-675a-4509-b00e-1c4b95d5dae8')
+    @decorators.idempotent_id('0fe7a334-675a-4509-b00e-1c4b95d5dae8')
     def test_list_projects_with_enabled(self):
         # List the projects with enabled
         self._list_projects_with_params({'enabled': False}, 'enabled')
 
-    @test.idempotent_id('fa178524-4e6d-4925-907c-7ab9f42c7e26')
+    @decorators.idempotent_id('fa178524-4e6d-4925-907c-7ab9f42c7e26')
     def test_list_projects_with_name(self):
         # List projects with name
         self._list_projects_with_params({'name': self.p1_name}, 'name')
 
-    @test.idempotent_id('6edc66f5-2941-4a17-9526-4073311c1fac')
+    @decorators.idempotent_id('6edc66f5-2941-4a17-9526-4073311c1fac')
     def test_list_projects_with_parent(self):
         # List projects with parent
         params = {'parent_id': self.p3['parent_id']}
diff --git a/tempest/api/identity/admin/v3/test_list_users.py b/tempest/api/identity/admin/v3/test_list_users.py
index 99df559..0a0d65a 100644
--- a/tempest/api/identity/admin/v3/test_list_users.py
+++ b/tempest/api/identity/admin/v3/test_list_users.py
@@ -15,7 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
-from tempest import test
+from tempest.lib import decorators
 
 
 class UsersV3TestJSON(base.BaseIdentityV3AdminTest):
@@ -62,7 +62,7 @@
         cls.domains_client.delete_domain(cls.domain['id'])
         super(UsersV3TestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('08f9aabb-dcfe-41d0-8172-82b5fa0bd73d')
+    @decorators.idempotent_id('08f9aabb-dcfe-41d0-8172-82b5fa0bd73d')
     def test_list_user_domains(self):
         # List users with domain
         params = {'domain_id': self.domain['id']}
@@ -70,7 +70,7 @@
                                      self.domain_enabled_user,
                                      self.non_domain_enabled_user)
 
-    @test.idempotent_id('bff8bf2f-9408-4ef5-b63a-753c8c2124eb')
+    @decorators.idempotent_id('bff8bf2f-9408-4ef5-b63a-753c8c2124eb')
     def test_list_users_with_not_enabled(self):
         # List the users with not enabled
         params = {'enabled': False}
@@ -78,7 +78,7 @@
                                      self.non_domain_enabled_user,
                                      self.domain_enabled_user)
 
-    @test.idempotent_id('c285bb37-7325-4c02-bff3-3da5d946d683')
+    @decorators.idempotent_id('c285bb37-7325-4c02-bff3-3da5d946d683')
     def test_list_users_with_name(self):
         # List users with name
         params = {'name': self.domain_enabled_user['name']}
@@ -86,7 +86,7 @@
                                      self.domain_enabled_user,
                                      self.non_domain_enabled_user)
 
-    @test.idempotent_id('b30d4651-a2ea-4666-8551-0c0e49692635')
+    @decorators.idempotent_id('b30d4651-a2ea-4666-8551-0c0e49692635')
     def test_list_users(self):
         # List users
         body = self.users_client.list_users()['users']
@@ -97,7 +97,7 @@
                          "Failed to find user %s in fetched list" %
                          ', '.join(m_user for m_user in missing_users))
 
-    @test.idempotent_id('b4baa3ae-ac00-4b4e-9e27-80deaad7771f')
+    @decorators.idempotent_id('b4baa3ae-ac00-4b4e-9e27-80deaad7771f')
     def test_get_user(self):
         # Get a user detail
         user = self.users_client.show_user(self.users[0]['id'])['user']
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index 3b5e5d4..eb1c69e 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -23,7 +24,7 @@
     def _delete_policy(self, policy_id):
         self.policies_client.delete_policy(policy_id)
 
-    @test.idempotent_id('1a0ad286-2d06-4123-ab0d-728893a76201')
+    @decorators.idempotent_id('1a0ad286-2d06-4123-ab0d-728893a76201')
     def test_list_policies(self):
         # Test to list policies
         policy_ids = list()
@@ -44,7 +45,7 @@
         self.assertEqual(0, len(missing_pols))
 
     @test.attr(type='smoke')
-    @test.idempotent_id('e544703a-2f03-4cf2-9b0f-350782fdb0d3')
+    @decorators.idempotent_id('e544703a-2f03-4cf2-9b0f-350782fdb0d3')
     def test_create_update_delete_policy(self):
         # Test to update policy
         blob = data_utils.rand_name('BlobName')
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 1137191..fef6020 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -18,14 +18,14 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 CONF = config.CONF
 
 
 class ProjectsTestJSON(base.BaseIdentityV3AdminTest):
 
-    @test.idempotent_id('0ecf465c-0dc4-4532-ab53-91ffeb74d12d')
+    @decorators.idempotent_id('0ecf465c-0dc4-4532-ab53-91ffeb74d12d')
     def test_project_create_with_description(self):
         # Create project with a description
         project_name = data_utils.rand_name('project')
@@ -42,7 +42,7 @@
         self.assertEqual(desc2, project_desc, 'Description does not appear'
                          'to be set')
 
-    @test.idempotent_id('5f50fe07-8166-430b-a882-3b2ee0abe26f')
+    @decorators.idempotent_id('5f50fe07-8166-430b-a882-3b2ee0abe26f')
     def test_project_create_with_domain(self):
         # Create project with a domain
         domain = self.setup_test_domain()
@@ -59,7 +59,7 @@
 
     @testtools.skipUnless(CONF.identity_feature_enabled.reseller,
                           'Reseller not available.')
-    @test.idempotent_id('1854f9c0-70bc-4d11-a08a-1c789d339e3d')
+    @decorators.idempotent_id('1854f9c0-70bc-4d11-a08a-1c789d339e3d')
     def test_project_create_with_parent(self):
         # Create root project without providing a parent_id
         domain = self.setup_test_domain()
@@ -88,7 +88,7 @@
         self.assertEqual(project_name, project['name'])
         self.assertEqual(root_project_id, parent_id)
 
-    @test.idempotent_id('1f66dc76-50cc-4741-a200-af984509e480')
+    @decorators.idempotent_id('1f66dc76-50cc-4741-a200-af984509e480')
     def test_project_create_enabled(self):
         # Create a project that is enabled
         project_name = data_utils.rand_name('project')
@@ -102,7 +102,7 @@
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
 
-    @test.idempotent_id('78f96a9c-e0e0-4ee6-a3ba-fbf6dfd03207')
+    @decorators.idempotent_id('78f96a9c-e0e0-4ee6-a3ba-fbf6dfd03207')
     def test_project_create_not_enabled(self):
         # Create a project that is not enabled
         project_name = data_utils.rand_name('project')
@@ -117,7 +117,7 @@
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
 
-    @test.idempotent_id('f608f368-048c-496b-ad63-d286c26dab6b')
+    @decorators.idempotent_id('f608f368-048c-496b-ad63-d286c26dab6b')
     def test_project_update_name(self):
         # Update name attribute of a project
         p_name1 = data_utils.rand_name('project')
@@ -139,7 +139,7 @@
         self.assertEqual(p_name1, resp1_name)
         self.assertEqual(resp2_name, resp3_name)
 
-    @test.idempotent_id('f138b715-255e-4a7d-871d-351e1ef2e153')
+    @decorators.idempotent_id('f138b715-255e-4a7d-871d-351e1ef2e153')
     def test_project_update_desc(self):
         # Update description attribute of a project
         p_name = data_utils.rand_name('project')
@@ -162,7 +162,7 @@
         self.assertEqual(p_desc, resp1_desc)
         self.assertEqual(resp2_desc, resp3_desc)
 
-    @test.idempotent_id('b6b25683-c97f-474d-a595-55d410b68100')
+    @decorators.idempotent_id('b6b25683-c97f-474d-a595-55d410b68100')
     def test_project_update_enable(self):
         # Update the enabled attribute of a project
         p_name = data_utils.rand_name('project')
@@ -186,7 +186,7 @@
         self.assertEqual('false', str(resp1_en).lower())
         self.assertEqual(resp2_en, resp3_en)
 
-    @test.idempotent_id('59398d4a-5dc5-4f86-9a4c-c26cc804d6c6')
+    @decorators.idempotent_id('59398d4a-5dc5-4f86-9a4c-c26cc804d6c6')
     def test_associate_user_to_project(self):
         # Associate a user to a project
         # Create a Project
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index c76b9ee..87f8684 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -22,14 +23,14 @@
 class ProjectsNegativeTestJSON(base.BaseIdentityV3AdminTest):
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('24c49279-45dd-4155-887a-cb738c2385aa')
+    @decorators.idempotent_id('24c49279-45dd-4155-887a-cb738c2385aa')
     def test_list_projects_by_unauthorized_user(self):
         # Non-admin user should not be able to list projects
         self.assertRaises(lib_exc.Forbidden,
                           self.non_admin_projects_client.list_projects)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('874c3e84-d174-4348-a16b-8c01f599561b')
+    @decorators.idempotent_id('874c3e84-d174-4348-a16b-8c01f599561b')
     def test_project_create_duplicate(self):
         # Project names should be unique
         project_name = data_utils.rand_name('project-dup')
@@ -40,7 +41,7 @@
                           self.projects_client.create_project, project_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('8fba9de2-3e1f-4e77-812a-60cb68f8df13')
+    @decorators.idempotent_id('8fba9de2-3e1f-4e77-812a-60cb68f8df13')
     def test_create_project_by_unauthorized_user(self):
         # Non-admin user should not be authorized to create a project
         project_name = data_utils.rand_name('project')
@@ -49,14 +50,14 @@
             project_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7828db17-95e5-475b-9432-9a51b4aa79a9')
+    @decorators.idempotent_id('7828db17-95e5-475b-9432-9a51b4aa79a9')
     def test_create_project_with_empty_name(self):
         # Project name should not be empty
         self.assertRaises(lib_exc.BadRequest,
                           self.projects_client.create_project, name='')
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('502b6ceb-b0c8-4422-bf53-f08fdb21e2f0')
+    @decorators.idempotent_id('502b6ceb-b0c8-4422-bf53-f08fdb21e2f0')
     def test_create_projects_name_length_over_64(self):
         # Project name length should not be greater than 64 characters
         project_name = 'a' * 65
@@ -64,7 +65,7 @@
                           self.projects_client.create_project, project_name)
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('8d68c012-89e0-4394-8d6b-ccd7196def97')
+    @decorators.idempotent_id('8d68c012-89e0-4394-8d6b-ccd7196def97')
     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')
@@ -75,7 +76,7 @@
             project['id'])
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('7965b581-60c1-43b7-8169-95d4ab7fc6fb')
+    @decorators.idempotent_id('7965b581-60c1-43b7-8169-95d4ab7fc6fb')
     def test_delete_non_existent_project(self):
         # Attempt to delete a non existent project should fail
         self.assertRaises(lib_exc.NotFound,
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index b5ea90d..f57a07c 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -16,6 +16,7 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -42,7 +43,7 @@
             cls.client.delete_region(r['id'])
         super(RegionsTestJSON, cls).resource_cleanup()
 
-    @test.idempotent_id('56186092-82e4-43f2-b954-91013218ba42')
+    @decorators.idempotent_id('56186092-82e4-43f2-b954-91013218ba42')
     def test_create_update_get_delete_region(self):
         # Create region
         r_description = data_utils.rand_name('description')
@@ -79,7 +80,7 @@
         self.assertNotIn(region['id'], regions_list)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('2c12c5b5-efcf-4aa5-90c5-bff1ab0cdbe2')
+    @decorators.idempotent_id('2c12c5b5-efcf-4aa5-90c5-bff1ab0cdbe2')
     def test_create_region_with_specific_id(self):
         # Create a region with a specific id
         r_region_id = data_utils.rand_uuid()
@@ -91,7 +92,7 @@
         self.assertEqual(r_region_id, region['id'])
         self.assertEqual(r_description, region['description'])
 
-    @test.idempotent_id('d180bf99-544a-445c-ad0d-0c0d27663796')
+    @decorators.idempotent_id('d180bf99-544a-445c-ad0d-0c0d27663796')
     def test_list_regions(self):
         # Get a list of regions
         fetched_regions = self.client.list_regions()['regions']
@@ -102,7 +103,7 @@
                          "Failed to find region %s in fetched list" %
                          ', '.join(str(e) for e in missing_regions))
 
-    @test.idempotent_id('2d1057cb-bbde-413a-acdf-e2d265284542')
+    @decorators.idempotent_id('2d1057cb-bbde-413a-acdf-e2d265284542')
     def test_list_regions_filter_by_parent_region_id(self):
         # Add a sub-region to one of the existing test regions
         r_description = data_utils.rand_name('description')
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index 670cb2f..e89be4b 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest import test
 
 
@@ -69,7 +70,7 @@
         self.assertIn(role_id, fetched_role_ids)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('18afc6c0-46cf-4911-824e-9989cc056c3a')
+    @decorators.idempotent_id('18afc6c0-46cf-4911-824e-9989cc056c3a')
     def test_role_create_update_show_list(self):
         r_name = data_utils.rand_name('Role')
         role = self.roles_client.create_role(name=r_name)['role']
@@ -92,7 +93,7 @@
         roles = self.roles_client.list_roles()['roles']
         self.assertIn(role['id'], [r['id'] for r in roles])
 
-    @test.idempotent_id('c6b80012-fe4a-498b-9ce8-eb391c05169f')
+    @decorators.idempotent_id('c6b80012-fe4a-498b-9ce8-eb391c05169f')
     def test_grant_list_revoke_role_to_user_on_project(self):
         self.roles_client.create_user_role_on_project(self.project['id'],
                                                       self.user_body['id'],
@@ -113,7 +114,7 @@
         self.roles_client.delete_role_from_user_on_project(
             self.project['id'], self.user_body['id'], self.role['id'])
 
-    @test.idempotent_id('6c9a2940-3625-43a3-ac02-5dcec62ef3bd')
+    @decorators.idempotent_id('6c9a2940-3625-43a3-ac02-5dcec62ef3bd')
     def test_grant_list_revoke_role_to_user_on_domain(self):
         self.roles_client.create_user_role_on_domain(
             self.domain['id'], self.user_body['id'], self.role['id'])
@@ -133,7 +134,7 @@
         self.roles_client.delete_role_from_user_on_domain(
             self.domain['id'], self.user_body['id'], self.role['id'])
 
-    @test.idempotent_id('cbf11737-1904-4690-9613-97bcbb3df1c4')
+    @decorators.idempotent_id('cbf11737-1904-4690-9613-97bcbb3df1c4')
     def test_grant_list_revoke_role_to_group_on_project(self):
         # Grant role to group on project
         self.roles_client.create_group_role_on_project(
@@ -168,7 +169,7 @@
         self.roles_client.delete_role_from_group_on_project(
             self.project['id'], self.group_body['id'], self.role['id'])
 
-    @test.idempotent_id('4bf8a70b-e785-413a-ad53-9f91ce02faa7')
+    @decorators.idempotent_id('4bf8a70b-e785-413a-ad53-9f91ce02faa7')
     def test_grant_list_revoke_role_to_group_on_domain(self):
         self.roles_client.create_group_role_on_domain(
             self.domain['id'], self.group_body['id'], self.role['id'])
@@ -188,7 +189,7 @@
         self.roles_client.delete_role_from_group_on_domain(
             self.domain['id'], self.group_body['id'], self.role['id'])
 
-    @test.idempotent_id('f5654bcc-08c4-4f71-88fe-05d64e06de94')
+    @decorators.idempotent_id('f5654bcc-08c4-4f71-88fe-05d64e06de94')
     def test_list_roles(self):
         # Return a list of all roles
         body = self.roles_client.list_roles()['roles']
diff --git a/tempest/api/identity/admin/v3/test_services.py b/tempest/api/identity/admin/v3/test_services.py
index 2c3cae5..35e1814 100644
--- a/tempest/api/identity/admin/v3/test_services.py
+++ b/tempest/api/identity/admin/v3/test_services.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -29,7 +30,7 @@
                           service_id)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('5193aad5-bcb7-411d-85b0-b3b61b96ef06')
+    @decorators.idempotent_id('5193aad5-bcb7-411d-85b0-b3b61b96ef06')
     def test_create_update_get_service(self):
         # Creating a Service
         name = data_utils.rand_name('service')
@@ -61,7 +62,7 @@
         self.assertEqual(resp2_desc, resp3_desc)
         self.assertDictContainsSubset(update_service, fetched_service)
 
-    @test.idempotent_id('d1dcb1a1-2b6b-4da8-bbb8-5532ef6e8269')
+    @decorators.idempotent_id('d1dcb1a1-2b6b-4da8-bbb8-5532ef6e8269')
     def test_create_service_without_description(self):
         # Create a service only with name and type
         name = data_utils.rand_name('service')
@@ -73,7 +74,7 @@
         expected_data = {'name': name, 'type': serv_type}
         self.assertDictContainsSubset(expected_data, service)
 
-    @test.idempotent_id('e55908e8-360e-439e-8719-c3230a3e179e')
+    @decorators.idempotent_id('e55908e8-360e-439e-8719-c3230a3e179e')
     def test_list_services(self):
         # Create, List, Verify and Delete Services
         service_ids = list()
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index 8706cf7..a9508d1 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -17,13 +17,13 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
-from tempest import test
 
 
 class TokensV3TestJSON(base.BaseIdentityV3AdminTest):
 
-    @test.idempotent_id('0f9f5a5f-d5cd-4a86-8a5b-c5ded151f212')
+    @decorators.idempotent_id('0f9f5a5f-d5cd-4a86-8a5b-c5ded151f212')
     def test_tokens(self):
         # Valid user's token is authenticated
         # Create a User
@@ -49,7 +49,7 @@
         self.assertRaises(lib_exc.NotFound, self.client.show_token,
                           subject_token)
 
-    @test.idempotent_id('565fa210-1da1-4563-999b-f7b5b67cf112')
+    @decorators.idempotent_id('565fa210-1da1-4563-999b-f7b5b67cf112')
     def test_rescope_token(self):
         """Rescope a token.
 
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index 4e69de8..1a466a0 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -20,6 +20,7 @@
 from tempest.common import credentials_factory as common_creds
 from tempest.common.utils import data_utils
 from tempest import config
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -197,7 +198,7 @@
         self.create_trustor_and_roles()
         self.addCleanup(self.cleanup_user_and_roles)
 
-    @test.idempotent_id('5a0a91a4-baef-4a14-baba-59bf4d7fcace')
+    @decorators.idempotent_id('5a0a91a4-baef-4a14-baba-59bf4d7fcace')
     def test_trust_impersonate(self):
         # Test case to check we can create, get and delete a trust
         # updates are not supported for trusts
@@ -209,7 +210,7 @@
 
         self.check_trust_roles()
 
-    @test.idempotent_id('ed2a8779-a7ac-49dc-afd7-30f32f936ed2')
+    @decorators.idempotent_id('ed2a8779-a7ac-49dc-afd7-30f32f936ed2')
     def test_trust_noimpersonate(self):
         # Test case to check we can create, get and delete a trust
         # with impersonation=False
@@ -221,7 +222,7 @@
 
         self.check_trust_roles()
 
-    @test.idempotent_id('0ed14b66-cefd-4b5c-a964-65759453e292')
+    @decorators.idempotent_id('0ed14b66-cefd-4b5c-a964-65759453e292')
     def test_trust_expire(self):
         # Test case to check we can create, get and delete a trust
         # with an expiry specified
@@ -246,7 +247,7 @@
 
         self.check_trust_roles()
 
-    @test.idempotent_id('3e48f95d-e660-4fa9-85e0-5a3d85594384')
+    @decorators.idempotent_id('3e48f95d-e660-4fa9-85e0-5a3d85594384')
     def test_trust_expire_invalid(self):
         # Test case to check we can check an invalid expiry time
         # is rejected with the correct error
@@ -256,7 +257,7 @@
                           self.create_trust,
                           expires=expires_str)
 
-    @test.idempotent_id('6268b345-87ca-47c0-9ce3-37792b43403a')
+    @decorators.idempotent_id('6268b345-87ca-47c0-9ce3-37792b43403a')
     def test_get_trusts_query(self):
         self.create_trust()
         trusts_get = self.trustor_client.list_trusts(
@@ -265,7 +266,7 @@
         self.validate_trust(trusts_get[0], summary=True)
 
     @test.attr(type='smoke')
-    @test.idempotent_id('4773ebd5-ecbf-4255-b8d8-b63e6f72b65d')
+    @decorators.idempotent_id('4773ebd5-ecbf-4255-b8d8-b63e6f72b65d')
     def test_get_trusts_all(self):
 
         # Simple function that can be used for cleanup
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 54c62c7..e0ec883 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -20,7 +20,7 @@
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
 from tempest import config
-from tempest import test
+from tempest.lib import decorators
 
 
 CONF = config.CONF
@@ -28,7 +28,7 @@
 
 class UsersV3TestJSON(base.BaseIdentityV3AdminTest):
 
-    @test.idempotent_id('b537d090-afb9-4519-b95d-270b0708e87e')
+    @decorators.idempotent_id('b537d090-afb9-4519-b95d-270b0708e87e')
     def test_user_update(self):
         # Test case to check if updating of user attributes is successful.
         # Creating first user
@@ -71,7 +71,7 @@
         self.assertEqual(u_email2, new_user_get['email'])
         self.assertEqual(False, new_user_get['enabled'])
 
-    @test.idempotent_id('2d223a0e-e457-4a70-9fb1-febe027a0ff9')
+    @decorators.idempotent_id('2d223a0e-e457-4a70-9fb1-febe027a0ff9')
     def test_update_user_password(self):
         # Creating User to check password updation
         u_name = data_utils.rand_name('user')
@@ -97,7 +97,7 @@
         self.assertEqual(token_details['user']['id'], user['id'])
         self.assertEqual(token_details['user']['name'], u_name)
 
-    @test.idempotent_id('a831e70c-e35b-430b-92ed-81ebbc5437b8')
+    @decorators.idempotent_id('a831e70c-e35b-430b-92ed-81ebbc5437b8')
     def test_list_user_projects(self):
         # List the projects that a user has access upon
         assigned_project_ids = list()
@@ -152,7 +152,7 @@
                          ', '.join(m_project for m_project
                                    in missing_projects))
 
-    @test.idempotent_id('c10dcd90-461d-4b16-8e23-4eb836c00644')
+    @decorators.idempotent_id('c10dcd90-461d-4b16-8e23-4eb836c00644')
     def test_get_user(self):
         # Get a user detail
         user = self.setup_test_user()
@@ -161,7 +161,7 @@
 
     @testtools.skipUnless(CONF.identity_feature_enabled.security_compliance,
                           'Security compliance not available.')
-    @test.idempotent_id('568cd46c-ee6c-4ab4-a33a-d3791931979e')
+    @decorators.idempotent_id('568cd46c-ee6c-4ab4-a33a-d3791931979e')
     def test_password_history_not_enforced_in_admin_reset(self):
         old_password = self.os.credentials.password
         user_id = self.os.credentials.user_id
diff --git a/tempest/api/identity/admin/v3/test_users_negative.py b/tempest/api/identity/admin/v3/test_users_negative.py
index 5b0fc97..9626108 100644
--- a/tempest/api/identity/admin/v3/test_users_negative.py
+++ b/tempest/api/identity/admin/v3/test_users_negative.py
@@ -15,6 +15,7 @@
 
 from tempest.api.identity import base
 from tempest.common.utils import data_utils
+from tempest.lib import decorators
 from tempest.lib import exceptions as lib_exc
 from tempest import test
 
@@ -22,7 +23,7 @@
 class UsersNegativeTest(base.BaseIdentityV3AdminTest):
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('e75f006c-89cc-477b-874d-588e4eab4b17')
+    @decorators.idempotent_id('e75f006c-89cc-477b-874d-588e4eab4b17')
     def test_create_user_for_non_existent_domain(self):
         # Attempt to create a user in a non-existent domain should fail
         u_name = data_utils.rand_name('user')
@@ -34,7 +35,7 @@
                           domain_id=data_utils.rand_uuid_hex())
 
     @test.attr(type=['negative'])
-    @test.idempotent_id('b3c9fccc-4134-46f5-b600-1da6fb0a3b1f')
+    @decorators.idempotent_id('b3c9fccc-4134-46f5-b600-1da6fb0a3b1f')
     def test_authentication_for_disabled_user(self):
         # Attempt to authenticate for disabled user should fail
         password = data_utils.rand_password()