diff --git a/tempest/tests/lib/services/volume/v2/test_volumes_client.py b/tempest/tests/lib/services/volume/v2/test_volumes_client.py
deleted file mode 100644
index d7b042e..0000000
--- a/tempest/tests/lib/services/volume/v2/test_volumes_client.py
+++ /dev/null
@@ -1,127 +0,0 @@
-# Copyright 2017 FiberHome Telecommunication Technologies CO.,LTD
-# 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 tempest.lib.services.volume.v2 import volumes_client
-from tempest.tests.lib import fake_auth_provider
-from tempest.tests.lib.services import base
-
-
-class TestVolumesClient(base.BaseServiceTest):
-
-    FAKE_VOLUME_METADATA_ITEM = {
-        "meta": {
-            "key1": "value1"
-        }
-    }
-
-    FAKE_VOLUME_IMAGE_METADATA = {
-        "metadata": {
-            "container_format": "bare",
-            "min_ram": "0",
-            "disk_format": "raw",
-            "image_name": "xly-ubuntu16-server",
-            "image_id": "3e087b0c-10c5-4255-b147-6e8e9dbad6fc",
-            "checksum": "008f5d22fe3cb825d714da79607a90f9",
-            "min_disk": "0",
-            "size": "8589934592"
-        }
-    }
-
-    def setUp(self):
-        super(TestVolumesClient, self).setUp()
-        fake_auth = fake_auth_provider.FakeAuthProvider()
-        self.client = volumes_client.VolumesClient(fake_auth,
-                                                   'volume',
-                                                   'regionOne')
-
-    def _test_retype_volume(self, bytes_body=False):
-        kwargs = {
-            "new_type": "dedup-tier-replication",
-            "migration_policy": "never"
-        }
-
-        self.check_service_client_function(
-            self.client.retype_volume,
-            'tempest.lib.common.rest_client.RestClient.post',
-            {},
-            to_utf=bytes_body,
-            status=202,
-            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
-            **kwargs
-        )
-
-    def _test_force_detach_volume(self, bytes_body=False):
-        kwargs = {
-            'attachment_id': '6980e295-920f-412e-b189-05c50d605acd',
-            'connector': {
-                'initiator': 'iqn.2017-04.org.fake:01'
-            }
-        }
-
-        self.check_service_client_function(
-            self.client.force_detach_volume,
-            'tempest.lib.common.rest_client.RestClient.post',
-            {},
-            to_utf=bytes_body,
-            status=202,
-            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
-            **kwargs
-        )
-
-    def _test_show_volume_metadata_item(self, bytes_body=False):
-        self.check_service_client_function(
-            self.client.show_volume_metadata_item,
-            'tempest.lib.common.rest_client.RestClient.get',
-            self.FAKE_VOLUME_METADATA_ITEM,
-            to_utf=bytes_body,
-            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
-            id="key1")
-
-    def _test_show_volume_image_metadata(self, bytes_body=False):
-        fake_volume_id = "a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8"
-        self.check_service_client_function(
-            self.client.show_volume_image_metadata,
-            'tempest.lib.common.rest_client.RestClient.post',
-            self.FAKE_VOLUME_IMAGE_METADATA,
-            to_utf=bytes_body,
-            mock_args=['volumes/%s/action' % fake_volume_id,
-                       json.dumps({"os-show_image_metadata": {}})],
-            volume_id=fake_volume_id)
-
-    def test_force_detach_volume_with_str_body(self):
-        self._test_force_detach_volume()
-
-    def test_force_detach_volume_with_bytes_body(self):
-        self._test_force_detach_volume(bytes_body=True)
-
-    def test_show_volume_metadata_item_with_str_body(self):
-        self._test_show_volume_metadata_item()
-
-    def test_show_volume_metadata_item_with_bytes_body(self):
-        self._test_show_volume_metadata_item(bytes_body=True)
-
-    def test_show_volume_image_metadata_with_str_body(self):
-        self._test_show_volume_image_metadata()
-
-    def test_show_volume_image_metadata_with_bytes_body(self):
-        self._test_show_volume_image_metadata(bytes_body=True)
-
-    def test_retype_volume_with_str_body(self):
-        self._test_retype_volume()
-
-    def test_retype_volume_with_bytes_body(self):
-        self._test_retype_volume(bytes_body=True)
diff --git a/tempest/tests/lib/services/volume/v3/test_volumes_client.py b/tempest/tests/lib/services/volume/v3/test_volumes_client.py
index a515fd3..1250536 100644
--- a/tempest/tests/lib/services/volume/v3/test_volumes_client.py
+++ b/tempest/tests/lib/services/volume/v3/test_volumes_client.py
@@ -13,6 +13,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from oslo_serialization import jsonutils as json
+
 from tempest.lib.services.volume.v3 import volumes_client
 from tempest.tests.lib import fake_auth_provider
 from tempest.tests.lib.services import base
@@ -27,6 +29,25 @@
         }
     }
 
+    FAKE_VOLUME_METADATA_ITEM = {
+        "meta": {
+            "key1": "value1"
+        }
+    }
+
+    FAKE_VOLUME_IMAGE_METADATA = {
+        "metadata": {
+            "container_format": "bare",
+            "min_ram": "0",
+            "disk_format": "raw",
+            "image_name": "xly-ubuntu16-server",
+            "image_id": "3e087b0c-10c5-4255-b147-6e8e9dbad6fc",
+            "checksum": "008f5d22fe3cb825d714da79607a90f9",
+            "min_disk": "0",
+            "size": "8589934592"
+        }
+    }
+
     def setUp(self):
         super(TestVolumesClient, self).setUp()
         fake_auth = fake_auth_provider.FakeAuthProvider()
@@ -34,6 +55,60 @@
                                                    'volume',
                                                    'regionOne')
 
+    def _test_retype_volume(self, bytes_body=False):
+        kwargs = {
+            "new_type": "dedup-tier-replication",
+            "migration_policy": "never"
+        }
+
+        self.check_service_client_function(
+            self.client.retype_volume,
+            'tempest.lib.common.rest_client.RestClient.post',
+            {},
+            to_utf=bytes_body,
+            status=202,
+            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
+            **kwargs
+        )
+
+    def _test_force_detach_volume(self, bytes_body=False):
+        kwargs = {
+            'attachment_id': '6980e295-920f-412e-b189-05c50d605acd',
+            'connector': {
+                'initiator': 'iqn.2017-04.org.fake:01'
+            }
+        }
+
+        self.check_service_client_function(
+            self.client.force_detach_volume,
+            'tempest.lib.common.rest_client.RestClient.post',
+            {},
+            to_utf=bytes_body,
+            status=202,
+            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
+            **kwargs
+        )
+
+    def _test_show_volume_metadata_item(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_volume_metadata_item,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_VOLUME_METADATA_ITEM,
+            to_utf=bytes_body,
+            volume_id="a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8",
+            id="key1")
+
+    def _test_show_volume_image_metadata(self, bytes_body=False):
+        fake_volume_id = "a3be971b-8de5-4bdf-bdb8-3d8eb0fb69f8"
+        self.check_service_client_function(
+            self.client.show_volume_image_metadata,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_VOLUME_IMAGE_METADATA,
+            to_utf=bytes_body,
+            mock_args=['volumes/%s/action' % fake_volume_id,
+                       json.dumps({"os-show_image_metadata": {}})],
+            volume_id=fake_volume_id)
+
     def _test_show_volume_summary(self, bytes_body=False):
         self.check_service_client_function(
             self.client.show_volume_summary,
@@ -41,6 +116,30 @@
             self.FAKE_VOLUME_SUMMARY,
             bytes_body)
 
+    def test_force_detach_volume_with_str_body(self):
+        self._test_force_detach_volume()
+
+    def test_force_detach_volume_with_bytes_body(self):
+        self._test_force_detach_volume(bytes_body=True)
+
+    def test_show_volume_metadata_item_with_str_body(self):
+        self._test_show_volume_metadata_item()
+
+    def test_show_volume_metadata_item_with_bytes_body(self):
+        self._test_show_volume_metadata_item(bytes_body=True)
+
+    def test_show_volume_image_metadata_with_str_body(self):
+        self._test_show_volume_image_metadata()
+
+    def test_show_volume_image_metadata_with_bytes_body(self):
+        self._test_show_volume_image_metadata(bytes_body=True)
+
+    def test_retype_volume_with_str_body(self):
+        self._test_retype_volume()
+
+    def test_retype_volume_with_bytes_body(self):
+        self._test_retype_volume(bytes_body=True)
+
     def test_show_volume_summary_with_str_body(self):
         self._test_show_volume_summary()