diff --git a/tempest/api/compute/admin/test_availability_zone.py b/tempest/api/compute/admin/test_availability_zone.py
index 3c06624..9555367 100644
--- a/tempest/api/compute/admin/test_availability_zone.py
+++ b/tempest/api/compute/admin/test_availability_zone.py
@@ -17,15 +17,15 @@
 from tempest import test
 
 
-class AZAdminTestJSON(base.BaseV2ComputeAdminTest):
-
+class AZAdminV3Test(base.BaseComputeAdminTest):
     """
     Tests Availability Zone API List
     """
+    _api_version = 3
 
     @classmethod
     def setUpClass(cls):
-        super(AZAdminTestJSON, cls).setUpClass()
+        super(AZAdminV3Test, cls).setUpClass()
         cls.client = cls.os_adm.availability_zone_client
 
     @test.attr(type='gate')
@@ -44,5 +44,9 @@
         self.assertTrue(len(availability_zone) > 0)
 
 
-class AZAdminTestXML(AZAdminTestJSON):
+class AZAdminV2TestJSON(AZAdminV3Test):
+    _api_version = 2
+
+
+class AZAdminV2TestXML(AZAdminV2TestJSON):
     _interface = 'xml'
diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index f0e70bd..44340c3 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -341,12 +341,18 @@
     _interface = "json"
 
 
-class BaseV2ComputeAdminTest(BaseV2ComputeTest):
-    """Base test case class for Compute Admin V2 API tests."""
+class BaseV3ComputeTest(BaseComputeTest):
+    _api_version = 3
+    _interface = "json"
+
+
+class BaseComputeAdminTest(BaseComputeTest):
+    """Base test case class for Compute Admin API tests."""
+    _interface = "json"
 
     @classmethod
     def setUpClass(cls):
-        super(BaseV2ComputeAdminTest, cls).setUpClass()
+        super(BaseComputeAdminTest, cls).setUpClass()
         if (CONF.compute.allow_tenant_isolation or
             cls.force_tenant_isolation is True):
             creds = cls.isolated_creds.get_admin_creds()
@@ -361,40 +367,25 @@
                        "in configuration.")
                 raise cls.skipException(msg)
 
+        if cls._api_version == 3:
+            cls.servers_admin_client = cls.os_adm.servers_v3_client
+            cls.services_admin_client = cls.os_adm.services_v3_client
+            cls.availability_zone_admin_client = \
+                cls.os_adm.availability_zone_v3_client
+            cls.hypervisor_admin_client = cls.os_adm.hypervisor_v3_client
+            cls.flavors_admin_client = cls.os_adm.flavors_v3_client
+            cls.aggregates_admin_client = cls.os_adm.aggregates_v3_client
+            cls.hosts_admin_client = cls.os_adm.hosts_v3_client
+            cls.quotas_admin_client = cls.os_adm.quotas_v3_client
+            cls.agents_admin_client = cls.os_adm.agents_v3_client
+            cls.migrations_admin_client = cls.os_adm.migrations_v3_client
 
-class BaseV3ComputeTest(BaseComputeTest):
+
+class BaseV2ComputeAdminTest(BaseComputeAdminTest):
+    """Base test case class for Compute Admin V2 API tests."""
+    _api_version = 2
+
+
+class BaseV3ComputeAdminTest(BaseComputeAdminTest):
+    """Base test case class for Compute Admin V3 API tests."""
     _api_version = 3
-    _interface = "json"
-
-
-class BaseV3ComputeAdminTest(BaseV3ComputeTest):
-    """Base test case class for all Compute Admin API V3 tests."""
-
-    @classmethod
-    def setUpClass(cls):
-        super(BaseV3ComputeAdminTest, cls).setUpClass()
-        if CONF.compute.allow_tenant_isolation:
-            creds = cls.isolated_creds.get_admin_creds()
-            os_adm = clients.Manager(credentials=creds,
-                                     interface=cls._interface)
-        else:
-            try:
-                cls.os_adm = clients.ComputeAdminManager(
-                    interface=cls._interface)
-            except exceptions.InvalidCredentials:
-                msg = ("Missing Compute Admin API credentials "
-                       "in configuration.")
-                raise cls.skipException(msg)
-
-        cls.os_adm = os_adm
-        cls.servers_admin_client = cls.os_adm.servers_v3_client
-        cls.services_admin_client = cls.os_adm.services_v3_client
-        cls.availability_zone_admin_client = \
-            cls.os_adm.availability_zone_v3_client
-        cls.hypervisor_admin_client = cls.os_adm.hypervisor_v3_client
-        cls.flavors_admin_client = cls.os_adm.flavors_v3_client
-        cls.aggregates_admin_client = cls.os_adm.aggregates_v3_client
-        cls.hosts_admin_client = cls.os_adm.hosts_v3_client
-        cls.quotas_admin_client = cls.os_adm.quotas_v3_client
-        cls.agents_admin_client = cls.os_adm.agents_v3_client
-        cls.migrations_admin_client = cls.os_adm.migrations_v3_client
diff --git a/tempest/api/compute/v3/admin/test_availability_zone.py b/tempest/api/compute/v3/admin/test_availability_zone.py
deleted file mode 100644
index 9ca8953..0000000
--- a/tempest/api/compute/v3/admin/test_availability_zone.py
+++ /dev/null
@@ -1,44 +0,0 @@
-# Copyright 2013 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.
-
-from tempest.api.compute import base
-from tempest.test import attr
-
-
-class AZAdminV3Test(base.BaseV3ComputeAdminTest):
-
-    """
-    Tests Availability Zone API List
-    """
-
-    @classmethod
-    def setUpClass(cls):
-        super(AZAdminV3Test, cls).setUpClass()
-        cls.client = cls.availability_zone_admin_client
-
-    @attr(type='gate')
-    def test_get_availability_zone_list(self):
-        # List of availability zone
-        resp, availability_zone = self.client.get_availability_zone_list()
-        self.assertEqual(200, resp.status)
-        self.assertTrue(len(availability_zone) > 0)
-
-    @attr(type='gate')
-    def test_get_availability_zone_list_detail(self):
-        # List of availability zones and available services
-        resp, availability_zone = \
-            self.client.get_availability_zone_list_detail()
-        self.assertEqual(200, resp.status)
-        self.assertTrue(len(availability_zone) > 0)