diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_adapter.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_adapter.py
index beaee2292af..34200b5817c 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_adapter.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_adapter.py
@@ -18,10 +18,8 @@ import re
 
 from oslo_config import cfg
 
-from cinder import context
 from cinder import exception
 from cinder.objects import fields
-from cinder import test
 from cinder.tests.unit import fake_constants
 from cinder.tests.unit import utils as test_utils
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_exception \
@@ -29,24 +27,19 @@ from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_exception \
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_storops \
     as storops
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import utils
-from cinder.volume import configuration as conf
 from cinder.volume.drivers.dell_emc.vnx import adapter
 from cinder.volume.drivers.dell_emc.vnx import client
 from cinder.volume.drivers.dell_emc.vnx import common
 from cinder.volume.drivers.dell_emc.vnx import utils as vnx_utils
 
 
-class TestCommonAdapter(test.TestCase):
+class TestCommonAdapter(test_base.TestCase):
 
     def setUp(self):
         super(TestCommonAdapter, self).setUp()
-        self.configuration = conf.Configuration(None)
         vnx_utils.init_ops(self.configuration)
-        self.configuration.san_ip = '192.168.1.1'
-        self.configuration.storage_vnx_authentication_type = 'global'
-        self.configuration.config_group = 'vnx_backend'
-        self.ctxt = context.get_admin_context()
 
     @res_mock.mock_driver_input
     @res_mock.patch_common_adapter
@@ -1427,18 +1420,14 @@ class TestCommonAdapter(test.TestCase):
                           common_adapter._normalize_config)
 
 
-class TestISCSIAdapter(test.TestCase):
+class TestISCSIAdapter(test_base.TestCase):
     STORAGE_PROTOCOL = common.PROTOCOL_ISCSI
 
     def setUp(self):
         super(TestISCSIAdapter, self).setUp()
-        self.configuration = conf.Configuration(None)
         vnx_utils.init_ops(self.configuration)
         self.configuration.storage_protocol = self.STORAGE_PROTOCOL
 
-    def tearDown(self):
-        super(TestISCSIAdapter, self).tearDown()
-
     @res_mock.patch_iscsi_adapter
     def test_validate_ports_iscsi(self, vnx_iscsi, mocked):
         all_iscsi_ports = vnx_iscsi.client.get_iscsi_targets()
@@ -1560,18 +1549,14 @@ class TestISCSIAdapter(test.TestCase):
         adapter.terminate_connection_cleanup.assert_called()
 
 
-class TestFCAdapter(test.TestCase):
+class TestFCAdapter(test_base.TestCase):
     STORAGE_PROTOCOL = common.PROTOCOL_FC
 
     def setUp(self):
         super(TestFCAdapter, self).setUp()
-        self.configuration = conf.Configuration(None)
         vnx_utils.init_ops(self.configuration)
         self.configuration.storage_protocol = self.STORAGE_PROTOCOL
 
-    def tearDown(self):
-        super(TestFCAdapter, self).tearDown()
-
     @res_mock.patch_fc_adapter
     def test_validate_ports_fc(self, vnx_fc, mocked):
         all_fc_ports = vnx_fc.client.get_fc_targets()
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_base.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_base.py
new file mode 100644
index 00000000000..97d0294edd6
--- /dev/null
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_base.py
@@ -0,0 +1,31 @@
+# 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.
+
+"""Common VNC test needs."""
+
+from cinder import context
+from cinder import test
+from cinder.volume import configuration as conf
+from cinder.volume.drivers.dell_emc.vnx import common
+
+
+class TestCase(test.TestCase):
+
+    def setUp(self):
+        super(TestCase, self).setUp()
+        self.configuration = conf.Configuration(None)
+        self.configuration.san_ip = '192.168.1.1'
+        self.configuration.storage_vnx_authentication_type = 'global'
+        self.configuration.config_group = 'vnx_backend'
+        self.ctxt = context.get_admin_context()
+        common.DEFAULT_TIMEOUT = 0
+        common.INTERVAL_30_SEC = 0
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_client.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_client.py
index a8a93110197..0cd6db8ef7b 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_client.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_client.py
@@ -15,18 +15,18 @@
 import unittest
 
 from cinder import exception
-from cinder import test
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_exception \
     as storops_ex
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_storops \
     as storops
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import utils
 from cinder.volume.drivers.dell_emc.vnx import client as vnx_client
 from cinder.volume.drivers.dell_emc.vnx import common as vnx_common
 
 
-class TestCondition(test.TestCase):
+class TestCondition(test_base.TestCase):
     @res_mock.patch_client
     def test_is_lun_io_ready_false(self, client, mocked):
         r = vnx_client.Condition.is_lun_io_ready(mocked['lun'])
@@ -44,17 +44,7 @@ class TestCondition(test.TestCase):
                           mocked['lun'])
 
 
-class TestClient(test.TestCase):
-    def setUp(self):
-        super(TestClient, self).setUp()
-        self.origin_timeout = vnx_common.DEFAULT_TIMEOUT
-        vnx_common.DEFAULT_TIMEOUT = 0
-        vnx_common.INTERVAL_30_SEC = 0
-
-    def tearDown(self):
-        super(TestClient, self).tearDown()
-        vnx_common.DEFAULT_TIMEOUT = self.origin_timeout
-        vnx_common.INTERVAL_30_SEC = 30
+class TestClient(test_base.TestCase):
 
     @res_mock.patch_client
     def test_create_lun(self, client, mocked):
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_common.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_common.py
index 8e9222305e0..1f4178d5921 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_common.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_common.py
@@ -16,15 +16,15 @@
 import mock
 
 from cinder import exception
-from cinder import test
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_storops \
     as storops
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.volume.drivers.dell_emc.vnx import client
 from cinder.volume.drivers.dell_emc.vnx import common
 
 
-class TestExtraSpecs(test.TestCase):
+class TestExtraSpecs(test_base.TestCase):
     def test_valid_extra_spec(self):
         extra_spec = {
             'provisioning:type': 'deduplicated',
@@ -186,7 +186,7 @@ class FakeConfiguration(object):
         self.replication_device = []
 
 
-class TestReplicationDeviceList(test.TestCase):
+class TestReplicationDeviceList(test_base.TestCase):
     def setUp(self):
         super(TestReplicationDeviceList, self).setUp()
         self.configuration = FakeConfiguration()
@@ -244,7 +244,7 @@ class TestReplicationDeviceList(test.TestCase):
         self.assertIn('array_id_1', backend_ids)
 
 
-class TestVNXMirrorView(test.TestCase):
+class TestVNXMirrorView(test_base.TestCase):
     def setUp(self):
         super(TestVNXMirrorView, self).setUp()
         self.primary_client = mock.create_autospec(client.Client)
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_driver.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_driver.py
index 22733a6f3ff..265eb0bfb6e 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_driver.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_driver.py
@@ -15,15 +15,13 @@
 
 import mock
 
-from cinder import test
-from cinder.volume import configuration as conf
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.volume.drivers.dell_emc.vnx import driver
 
 
-class TestVNXDriver(test.TestCase):
+class TestVNXDriver(test_base.TestCase):
     def setUp(self):
         super(TestVNXDriver, self).setUp()
-        self.configuration = conf.Configuration(None)
         self.fc_adapter_patcher = mock.patch(
             'cinder.volume.drivers.dell_emc.vnx.adapter.FCAdapter',
             autospec=True)
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_replication.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_replication.py
index fec9728e50f..65cbc53710f 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_replication.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_replication.py
@@ -15,24 +15,18 @@
 
 import mock
 
-from cinder import context
 from cinder.objects import fields
-from cinder import test
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import utils
-from cinder.volume import configuration as conf
 from cinder.volume.drivers.dell_emc.vnx import utils as vnx_utils
 
 
-class TestReplicationAdapter(test.TestCase):
+class TestReplicationAdapter(test_base.TestCase):
 
     def setUp(self):
         super(TestReplicationAdapter, self).setUp()
-        self.configuration = conf.Configuration(None)
         vnx_utils.init_ops(self.configuration)
-        self.configuration.san_ip = '192.168.1.1'
-        self.configuration.storage_vnx_authentication_type = 'global'
-        self.ctxt = context.get_admin_context()
 
     @utils.patch_group_specs({
         'consistent_group_replication_enabled': '<is> True'})
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_taskflows.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_taskflows.py
index 559075c5f50..0b32b17403e 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_taskflows.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_taskflows.py
@@ -17,14 +17,14 @@ import taskflow.engines
 from taskflow.patterns import linear_flow
 from taskflow.types import failure
 
-from cinder import test
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_exception \
     as vnx_ex
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 import cinder.volume.drivers.dell_emc.vnx.taskflows as vnx_taskflow
 
 
-class TestTaskflow(test.TestCase):
+class TestTaskflow(test_base.TestCase):
     def setUp(self):
         super(TestTaskflow, self).setUp()
         self.work_flow = linear_flow.Flow('test_task')
diff --git a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_utils.py b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_utils.py
index a6cf09756e2..6608175cae4 100644
--- a/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_utils.py
+++ b/cinder/tests/unit/volume/drivers/dell_emc/vnx/test_utils.py
@@ -16,12 +16,12 @@
 import mock
 
 from cinder import exception
-from cinder import test
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_exception \
     as storops_ex
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import fake_storops \
     as storops
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import res_mock
+from cinder.tests.unit.volume.drivers.dell_emc.vnx import test_base
 from cinder.tests.unit.volume.drivers.dell_emc.vnx import utils as ut_utils
 from cinder.volume.drivers.dell_emc.vnx import common
 from cinder.volume.drivers.dell_emc.vnx import utils as vnx_utils
@@ -35,15 +35,7 @@ class FakeDriver(object):
         return True
 
 
-class TestUtils(test.TestCase):
-    def setUp(self):
-        super(TestUtils, self).setUp()
-        self.origin_timeout = common.DEFAULT_TIMEOUT
-        common.DEFAULT_TIMEOUT = 0.05
-
-    def tearDown(self):
-        super(TestUtils, self).tearDown()
-        common.DEFAULT_TIMEOUT = self.origin_timeout
+class TestUtils(test_base.TestCase):
 
     def test_wait_until(self):
         mock_testmethod = mock.Mock(return_value=True)