diff --git a/tempest/api/database/flavors/test_flavors.py b/tempest/api/database/flavors/test_flavors.py
index 62c1e05..f75b867 100644
--- a/tempest/api/database/flavors/test_flavors.py
+++ b/tempest/api/database/flavors/test_flavors.py
@@ -28,7 +28,7 @@
     @test.idempotent_id('c94b825e-0132-4686-8049-8a4a2bc09525')
     def test_get_db_flavor(self):
         # The expected flavor details should be returned
-        flavor = (self.client.get_db_flavor_details(self.db_flavor_ref)
+        flavor = (self.client.show_db_flavor(self.db_flavor_ref)
                   ['flavor'])
         self.assertEqual(self.db_flavor_ref, str(flavor['id']))
         self.assertIn('ram', flavor)
@@ -38,7 +38,7 @@
     @test.attr(type='smoke')
     @test.idempotent_id('685025d6-0cec-4673-8a8d-995cb8e0d3bb')
     def test_list_db_flavors(self):
-        flavor = (self.client.get_db_flavor_details(self.db_flavor_ref)
+        flavor = (self.client.show_db_flavor(self.db_flavor_ref)
                   ['flavor'])
         # List of all flavors should contain the expected flavor
         flavors = self.client.list_db_flavors()['flavors']
@@ -67,7 +67,7 @@
                          (os_flavors, db_flavors))
         for os_flavor in os_flavors:
             db_flavor =\
-                self.client.get_db_flavor_details(os_flavor['id'])['flavor']
+                self.client.show_db_flavor(os_flavor['id'])['flavor']
             self._check_values(['id', 'name', 'ram'], db_flavor, os_flavor)
             self._check_values(['disk', 'vcpus', 'swap'], db_flavor, os_flavor,
                                in_db=False)
diff --git a/tempest/api/database/flavors/test_flavors_negative.py b/tempest/api/database/flavors/test_flavors_negative.py
index 68cb7d6..3dee96f 100644
--- a/tempest/api/database/flavors/test_flavors_negative.py
+++ b/tempest/api/database/flavors/test_flavors_negative.py
@@ -31,4 +31,4 @@
     def test_get_non_existent_db_flavor(self):
         # flavor details are not returned for non-existent flavors
         self.assertRaises(lib_exc.NotFound,
-                          self.client.get_db_flavor_details, -1)
+                          self.client.show_db_flavor, -1)
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index 44e5c7b..f38d25d 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -64,7 +64,7 @@
             policy['id'], type=update_type)['policy']
         self.assertIn('type', data)
         # Assertion for updated value with fetched value
-        fetched_policy = self.policy_client.get_policy(policy['id'])['policy']
+        fetched_policy = self.policy_client.show_policy(policy['id'])['policy']
         self.assertIn('id', fetched_policy)
         self.assertIn('blob', fetched_policy)
         self.assertIn('type', fetched_policy)
diff --git a/tempest/api/identity/v2/test_ec2_credentials.py b/tempest/api/identity/v2/test_ec2_credentials.py
index 763d8de..88161a3 100644
--- a/tempest/api/identity/v2/test_ec2_credentials.py
+++ b/tempest/api/identity/v2/test_ec2_credentials.py
@@ -38,7 +38,7 @@
         """Create user ec2 credentials."""
         resp = self.non_admin_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
-            self.creds.credentials.tenant_id)["credential"]
+            tenant_id=self.creds.credentials.tenant_id)["credential"]
         access = resp['access']
         self.addCleanup(
             self.non_admin_client.delete_user_ec2_credentials,
@@ -56,12 +56,12 @@
         # create first ec2 credentials
         creds1 = self.non_admin_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
-            self.creds.credentials.tenant_id)["credential"]
+            tenant_id=self.creds.credentials.tenant_id)["credential"]
         created_creds.append(creds1['access'])
         # create second ec2 credentials
         creds2 = self.non_admin_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
-            self.creds.credentials.tenant_id)["credential"]
+            tenant_id=self.creds.credentials.tenant_id)["credential"]
         created_creds.append(creds2['access'])
         # add credentials to be cleaned up
         self.addCleanup(
@@ -86,7 +86,7 @@
         """Get the definite user ec2 credentials."""
         resp = self.non_admin_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
-            self.creds.credentials.tenant_id)["credential"]
+            tenant_id=self.creds.credentials.tenant_id)["credential"]
         self.addCleanup(
             self.non_admin_client.delete_user_ec2_credentials,
             self.creds.credentials.user_id, resp['access'])
@@ -102,7 +102,7 @@
         """Delete user ec2 credentials."""
         resp = self.non_admin_client.create_user_ec2_credentials(
             self.creds.credentials.user_id,
-            self.creds.credentials.tenant_id)["credential"]
+            tenant_id=self.creds.credentials.tenant_id)["credential"]
         access = resp['access']
         self.non_admin_client.delete_user_ec2_credentials(
             self.creds.credentials.user_id, access)
diff --git a/tempest/api_schema/response/compute/v2_1/volumes.py b/tempest/api_schema/response/compute/v2_1/volumes.py
deleted file mode 100644
index bb34acb..0000000
--- a/tempest/api_schema/response/compute/v2_1/volumes.py
+++ /dev/null
@@ -1,120 +0,0 @@
-# Copyright 2014 NEC Corporation.  All rights reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-create_get_volume = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'volume': {
-                'type': 'object',
-                'properties': {
-                    'id': {'type': 'string'},
-                    'status': {'type': 'string'},
-                    'displayName': {'type': ['string', 'null']},
-                    'availabilityZone': {'type': 'string'},
-                    'createdAt': {'type': 'string'},
-                    'displayDescription': {'type': ['string', 'null']},
-                    'volumeType': {'type': ['string', 'null']},
-                    'snapshotId': {'type': ['string', 'null']},
-                    'metadata': {'type': 'object'},
-                    'size': {'type': 'integer'},
-                    'attachments': {
-                        'type': 'array',
-                        'items': {
-                            'type': 'object',
-                            'properties': {
-                                'id': {'type': 'string'},
-                                'device': {'type': 'string'},
-                                'volumeId': {'type': 'string'},
-                                'serverId': {'type': 'string'}
-                            },
-                            'additionalProperties': False,
-                            # NOTE- If volume is not attached to any server
-                            # then, 'attachments' attributes comes as array
-                            # with empty objects "[{}]" due to that elements
-                            # of 'attachments' cannot defined as 'required'.
-                            # If it would come as empty array "[]" then,
-                            # those elements can be defined as 'required'.
-                        }
-                    }
-                },
-                'additionalProperties': False,
-                'required': ['id', 'status', 'displayName', 'availabilityZone',
-                             'createdAt', 'displayDescription', 'volumeType',
-                             'snapshotId', 'metadata', 'size', 'attachments']
-            }
-        },
-        'additionalProperties': False,
-        'required': ['volume']
-    }
-}
-
-list_volumes = {
-    'status_code': [200],
-    'response_body': {
-        'type': 'object',
-        'properties': {
-            'volumes': {
-                'type': 'array',
-                'items': {
-                    'type': 'object',
-                    'properties': {
-                        'id': {'type': 'string'},
-                        'status': {'type': 'string'},
-                        'displayName': {'type': ['string', 'null']},
-                        'availabilityZone': {'type': 'string'},
-                        'createdAt': {'type': 'string'},
-                        'displayDescription': {'type': ['string', 'null']},
-                        'volumeType': {'type': ['string', 'null']},
-                        'snapshotId': {'type': ['string', 'null']},
-                        'metadata': {'type': 'object'},
-                        'size': {'type': 'integer'},
-                        'attachments': {
-                            'type': 'array',
-                            'items': {
-                                'type': 'object',
-                                'properties': {
-                                    'id': {'type': 'string'},
-                                    'device': {'type': 'string'},
-                                    'volumeId': {'type': 'string'},
-                                    'serverId': {'type': 'string'}
-                                },
-                                'additionalProperties': False,
-                                # NOTE- If volume is not attached to any server
-                                # then, 'attachments' attributes comes as array
-                                # with empty object "[{}]" due to that elements
-                                # of 'attachments' cannot defined as 'required'
-                                # If it would come as empty array "[]" then,
-                                # those elements can be defined as 'required'.
-                            }
-                        }
-                    },
-                    'additionalProperties': False,
-                    'required': ['id', 'status', 'displayName',
-                                 'availabilityZone', 'createdAt',
-                                 'displayDescription', 'volumeType',
-                                 'snapshotId', 'metadata', 'size',
-                                 'attachments']
-                }
-            }
-        },
-        'additionalProperties': False,
-        'required': ['volumes']
-    }
-}
-
-delete_volume = {
-    'status_code': [202]
-}
diff --git a/tempest/clients.py b/tempest/clients.py
index c9abf42..0a3f2dd 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -59,6 +59,8 @@
 from tempest_lib.services.compute.tenant_usages_client import \
     TenantUsagesClient
 from tempest_lib.services.compute.versions_client import VersionsClient
+from tempest_lib.services.compute.volumes_client import \
+    VolumesClient as ComputeVolumesClient
 from tempest_lib.services.identity.v2.token_client import TokenClient
 from tempest_lib.services.identity.v3.token_client import V3TokenClient
 
@@ -77,8 +79,6 @@
 from tempest.services.compute.json.server_groups_client import \
     ServerGroupsClient
 from tempest.services.compute.json.servers_client import ServersClient
-from tempest.services.compute.json.volumes_client import \
-    VolumesClient as ComputeVolumesClient
 from tempest.services.data_processing.v1_1.data_processing_client import \
     DataProcessingClient
 from tempest.services.database.json.flavors_client import \
diff --git a/tempest/common/api_version_request.py b/tempest/common/api_version_request.py
index 72a11ea..d8a5b56 100644
--- a/tempest/common/api_version_request.py
+++ b/tempest/common/api_version_request.py
@@ -54,6 +54,8 @@
             None value should be used to create Null APIVersionRequest,
             which is equal to 0.0
         """
+        # NOTE(gmann): 'version_string' as String "None" will be considered as
+        # invalid version string.
         self.ver_major = 0
         self.ver_minor = 0
 
diff --git a/tempest/config.py b/tempest/config.py
index 26dda2d..a6212fb 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -347,16 +347,18 @@
                     "The format is 'X.Y', where 'X' and 'Y' are int values. "
                     "Tempest selects tests based on the range between "
                     "min_microversion and max_microversion. "
-                    "If both values are None, Tempest avoids tests which "
-                    "require a microversion."),
+                    "If both values are not specified, Tempest avoids tests "
+                    "which require a microversion. Valid values are string "
+                    "with format 'X.Y' or string 'latest'"),
     cfg.StrOpt('max_microversion',
                default=None,
                help="Upper version of the test target microversion range. "
                     "The format is 'X.Y', where 'X' and 'Y' are int values. "
                     "Tempest selects tests based on the range between "
                     "min_microversion and max_microversion. "
-                    "If both values are None, Tempest avoids tests which "
-                    "require a microversion."),
+                    "If both values are not specified, Tempest avoids tests "
+                    "which require a microversion. Valid values are string "
+                    "with format 'X.Y' or string 'latest'"),
     cfg.BoolOpt('disk_config',
                 default=True,
                 help="If false, skip disk config tests"),
diff --git a/tempest/exceptions.py b/tempest/exceptions.py
index 8537898..1d725af 100644
--- a/tempest/exceptions.py
+++ b/tempest/exceptions.py
@@ -177,8 +177,8 @@
 
 
 class InvalidAPIVersionString(TempestException):
-    msg_fmt = ("API Version String %(version)s is of invalid format. Must "
-               "be of format MajorNum.MinorNum.")
+    message = ("API Version String %(version)s is of invalid format. Must "
+               "be of format MajorNum.MinorNum or string 'latest'.")
 
 
 class CommandFailed(Exception):
diff --git a/tempest/hacking/ignored_list_T110.txt b/tempest/hacking/ignored_list_T110.txt
index dd3e489..8de3151 100644
--- a/tempest/hacking/ignored_list_T110.txt
+++ b/tempest/hacking/ignored_list_T110.txt
@@ -1,6 +1,4 @@
-./tempest/services/database/json/flavors_client.py
 ./tempest/services/identity/v3/json/identity_client.py
-./tempest/services/identity/v3/json/policy_client.py
 ./tempest/services/messaging/json/messaging_client.py
 ./tempest/services/object_storage/object_client.py
 ./tempest/services/telemetry/json/alarming_client.py
diff --git a/tempest/services/botoclients.py b/tempest/services/botoclients.py
index e117719..9d452ff 100644
--- a/tempest/services/botoclients.py
+++ b/tempest/services/botoclients.py
@@ -101,8 +101,8 @@
                 break
         else:
             ec2_cred = (identity_client.create_user_ec2_credentials(
-                identity_client.user_id, identity_client.tenant_id)
-                ['credential'])
+                identity_client.user_id,
+                tenant_id=identity_client.tenant_id)['credential'])
         if not all((ec2_cred, ec2_cred['access'], ec2_cred['secret'])):
             raise lib_exc.NotFound("Unable to get access and secret keys")
         else:
diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index a0251f1..c71a193 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -311,13 +311,7 @@
 
     def live_migrate_server(self, server_id, **kwargs):
         """This should be called with administrator privileges ."""
-
-        req_body = json.dumps({'os-migrateLive': kwargs})
-
-        resp, body = self.post("servers/%s/action" % server_id, req_body)
-        self.validate_response(schema.server_actions_common_schema,
-                               resp, body)
-        return service_client.ResponseBody(resp, body)
+        return self.action(server_id, 'os-migrateLive', **kwargs)
 
     def migrate_server(self, server_id, **kwargs):
         """Migrates a server to a new host."""
diff --git a/tempest/services/compute/json/volumes_client.py b/tempest/services/compute/json/volumes_client.py
deleted file mode 100644
index 69d982e..0000000
--- a/tempest/services/compute/json/volumes_client.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Copyright 2012 OpenStack Foundation
-# All Rights Reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-from oslo_serialization import jsonutils as json
-from six.moves.urllib import parse as urllib
-from tempest_lib import exceptions as lib_exc
-
-from tempest.api_schema.response.compute.v2_1 import volumes as schema
-from tempest.common import service_client
-
-
-class VolumesClient(service_client.ServiceClient):
-
-    def list_volumes(self, detail=False, **params):
-        """List all the volumes created."""
-        url = 'os-volumes'
-
-        if detail:
-            url += '/detail'
-        if params:
-            url += '?%s' % urllib.urlencode(params)
-
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.validate_response(schema.list_volumes, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def show_volume(self, volume_id):
-        """Returns the details of a single volume."""
-        url = "os-volumes/%s" % volume_id
-        resp, body = self.get(url)
-        body = json.loads(body)
-        self.validate_response(schema.create_get_volume, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def create_volume(self, **kwargs):
-        """Creates a new Volume.
-
-        size(Required): Size of volume in GB.
-        Following optional keyword arguments are accepted:
-        display_name: Optional Volume Name.
-        metadata: A dictionary of values to be used as metadata.
-        """
-        post_body = json.dumps({'volume': kwargs})
-        resp, body = self.post('os-volumes', post_body)
-        body = json.loads(body)
-        self.validate_response(schema.create_get_volume, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def delete_volume(self, volume_id):
-        """Deletes the Specified Volume."""
-        resp, body = self.delete("os-volumes/%s" % volume_id)
-        self.validate_response(schema.delete_volume, resp, body)
-        return service_client.ResponseBody(resp, body)
-
-    def is_resource_deleted(self, id):
-        try:
-            self.show_volume(id)
-        except lib_exc.NotFound:
-            return True
-        return False
-
-    @property
-    def resource_type(self):
-        """Returns the primary type of resource this client works with."""
-        return 'volume'
diff --git a/tempest/services/database/json/flavors_client.py b/tempest/services/database/json/flavors_client.py
index 88feb17..34a91ba 100644
--- a/tempest/services/database/json/flavors_client.py
+++ b/tempest/services/database/json/flavors_client.py
@@ -31,8 +31,8 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def get_db_flavor_details(self, db_flavor_id):
-        resp, body = self.get("flavors/%s" % str(db_flavor_id))
+    def show_db_flavor(self, db_flavor_id):
+        resp, body = self.get("flavors/%s" % db_flavor_id)
         self.expected_success(200, resp.status)
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index 3f6727d..3e7a598 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -307,8 +307,11 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def create_user_ec2_credentials(self, user_id, tenant_id):
-        post_body = json.dumps({'tenant_id': tenant_id})
+    def create_user_ec2_credentials(self, user_id, **kwargs):
+        # TODO(piyush): Current api-site doesn't contain this API description.
+        # After fixing the api-site, we need to fix here also for putting the
+        # link to api-site.
+        post_body = json.dumps(kwargs)
         resp, body = self.post('/users/%s/credentials/OS-EC2' % user_id,
                                post_body)
         self.expected_success(200, resp.status)
diff --git a/tempest/services/identity/v3/json/policy_client.py b/tempest/services/identity/v3/json/policy_client.py
index ecc9df7..7927ed5 100644
--- a/tempest/services/identity/v3/json/policy_client.py
+++ b/tempest/services/identity/v3/json/policy_client.py
@@ -44,7 +44,7 @@
         body = json.loads(body)
         return service_client.ResponseBody(resp, body)
 
-    def get_policy(self, policy_id):
+    def show_policy(self, policy_id):
         """Lists out the given policy."""
         url = 'policies/%s' % policy_id
         resp, body = self.get(url)
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index 159ba7b..c313071 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -21,8 +21,6 @@
 from tempest.services.compute.json import security_group_rules_client
 from tempest.services.compute.json import server_groups_client
 from tempest.services.compute.json import servers_client
-from tempest.services.compute.json import volumes_client \
-    as compute_volumes_client
 from tempest.services.data_processing.v1_1 import data_processing_client
 from tempest.services.database.json import flavors_client as db_flavor_client
 from tempest.services.database.json import versions_client as db_version_client
@@ -93,7 +91,6 @@
             security_group_rules_client.SecurityGroupRulesClient,
             server_groups_client.ServerGroupsClient,
             servers_client.ServersClient,
-            compute_volumes_client.VolumesClient,
             data_processing_client.DataProcessingClient,
             db_flavor_client.DatabaseFlavorsClient,
             db_version_client.DatabaseVersionsClient,
diff --git a/tempest/tests/services/compute/test_volumes_client.py b/tempest/tests/services/compute/test_volumes_client.py
deleted file mode 100644
index 33d4bad..0000000
--- a/tempest/tests/services/compute/test_volumes_client.py
+++ /dev/null
@@ -1,114 +0,0 @@
-# Copyright 2015 NEC Corporation.  All rights reserved.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License"); you may
-#    not use this file except in compliance with the License. You may obtain
-#    a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-import copy
-
-from oslotest import mockpatch
-from tempest_lib import exceptions as lib_exc
-
-from tempest.services.compute.json import volumes_client
-from tempest.tests import fake_auth_provider
-from tempest.tests.services.compute import base
-
-
-class TestVolumesClient(base.BaseComputeServiceTest):
-
-    FAKE_VOLUME = {
-        "id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
-        "displayName": u"v\u12345ol-001",
-        "displayDescription": u"Another \u1234volume.",
-        "size": 30,
-        "status": "Active",
-        "volumeType": "289da7f8-6440-407c-9fb4-7db01ec49164",
-        "metadata": {
-            "contents": "junk"
-        },
-        "availabilityZone": "us-east1",
-        "snapshotId": None,
-        "attachments": [],
-        "createdAt": "2012-02-14T20:53:07Z"
-    }
-
-    FAKE_VOLUMES = {"volumes": [FAKE_VOLUME]}
-
-    def setUp(self):
-        super(TestVolumesClient, self).setUp()
-        fake_auth = fake_auth_provider.FakeAuthProvider()
-        self.client = volumes_client.VolumesClient(
-            fake_auth, 'compute', 'regionOne')
-
-    def _test_list_volumes(self, bytes_body=False, **params):
-        self.check_service_client_function(
-            self.client.list_volumes,
-            'tempest.common.service_client.ServiceClient.get',
-            self.FAKE_VOLUMES, to_utf=bytes_body, **params)
-
-    def test_list_volumes_with_str_body(self):
-        self._test_list_volumes()
-
-    def test_list_volumes_with_byte_body(self):
-        self._test_list_volumes(bytes_body=True)
-
-    def test_list_volumes_with_params(self):
-        self._test_list_volumes(name='fake')
-
-    def _test_show_volume(self, bytes_body=False):
-        self.check_service_client_function(
-            self.client.show_volume,
-            'tempest.common.service_client.ServiceClient.get',
-            {"volume": self.FAKE_VOLUME},
-            to_utf=bytes_body, volume_id=self.FAKE_VOLUME['id'])
-
-    def test_show_volume_with_str_body(self):
-        self._test_show_volume()
-
-    def test_show_volume_with_bytes_body(self):
-        self._test_show_volume(bytes_body=True)
-
-    def _test_create_volume(self, bytes_body=False):
-        post_body = copy.deepcopy(self.FAKE_VOLUME)
-        del post_body['id']
-        del post_body['createdAt']
-        del post_body['status']
-        self.check_service_client_function(
-            self.client.create_volume,
-            'tempest.common.service_client.ServiceClient.post',
-            {"volume": self.FAKE_VOLUME},
-            to_utf=bytes_body, status=200, **post_body)
-
-    def test_create_volume_with_str_body(self):
-        self._test_create_volume()
-
-    def test_create_volume_with_bytes_body(self):
-        self._test_create_volume(bytes_body=True)
-
-    def test_delete_volume(self):
-        self.check_service_client_function(
-            self.client.delete_volume,
-            'tempest.common.service_client.ServiceClient.delete',
-            {}, status=202, volume_id=self.FAKE_VOLUME['id'])
-
-    def test_is_resource_deleted_true(self):
-        module = ('tempest.services.compute.json.volumes_client.'
-                  'VolumesClient.show_volume')
-        self.useFixture(mockpatch.Patch(
-            module, side_effect=lib_exc.NotFound))
-        self.assertTrue(self.client.is_resource_deleted('fake-id'))
-
-    def test_is_resource_deleted_false(self):
-        module = ('tempest.services.compute.json.volumes_client.'
-                  'VolumesClient.show_volume')
-        self.useFixture(mockpatch.Patch(
-            module, return_value={}))
-        self.assertFalse(self.client.is_resource_deleted('fake-id'))