diff --git a/functional/tests/identity/v2/test_identity.py b/functional/tests/identity/v2/common.py
similarity index 96%
rename from functional/tests/identity/v2/test_identity.py
rename to functional/tests/identity/v2/common.py
index 9adbe49f..9d6a7bb5 100644
--- a/functional/tests/identity/v2/test_identity.py
+++ b/functional/tests/identity/v2/common.py
@@ -10,6 +10,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import os
+
 from tempest.lib.common.utils import data_utils
 
 from functional.common import test
@@ -39,8 +41,11 @@ class IdentityTests(test.TestCase):
 
     @classmethod
     def setUpClass(cls):
-        if hasattr(super(IdentityTests, cls), 'setUpClass'):
-            super(IdentityTests, cls).setUpClass()
+        # prepare v2 env
+        os.environ['OS_IDENTITY_API_VERSION'] = '2.0'
+        auth_url = os.environ.get('OS_AUTH_URL')
+        auth_url = auth_url.replace('v3', 'v2.0')
+        os.environ['OS_AUTH_URL'] = auth_url
 
         # create dummy project
         cls.project_name = data_utils.rand_name('TestProject')
diff --git a/functional/tests/identity/v2/test_catalog.py b/functional/tests/identity/v2/test_catalog.py
index 3a1f7e11..b6291e05 100644
--- a/functional/tests/identity/v2/test_catalog.py
+++ b/functional/tests/identity/v2/test_catalog.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class CatalogTests(test_identity.IdentityTests):
+class CatalogTests(common.IdentityTests):
 
     def test_catalog_list(self):
         raw_output = self.openstack('catalog list')
diff --git a/functional/tests/identity/v2/test_ec2_credentials.py b/functional/tests/identity/v2/test_ec2_credentials.py
index 86702c0c..319bd11a 100644
--- a/functional/tests/identity/v2/test_ec2_credentials.py
+++ b/functional/tests/identity/v2/test_ec2_credentials.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class EC2CredentialsTests(test_identity.IdentityTests):
+class EC2CredentialsTests(common.IdentityTests):
 
     def test_ec2_credentials_create(self):
         self._create_dummy_ec2_credentials()
diff --git a/functional/tests/identity/v2/test_endpoint.py b/functional/tests/identity/v2/test_endpoint.py
index 8064365e..0682e6b4 100644
--- a/functional/tests/identity/v2/test_endpoint.py
+++ b/functional/tests/identity/v2/test_endpoint.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class EndpointTests(test_identity.IdentityTests):
+class EndpointTests(common.IdentityTests):
 
     def test_endpoint_create(self):
         self._create_dummy_endpoint()
diff --git a/functional/tests/identity/v2/test_project.py b/functional/tests/identity/v2/test_project.py
index e9580ecf..7fb1a98d 100644
--- a/functional/tests/identity/v2/test_project.py
+++ b/functional/tests/identity/v2/test_project.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class ProjectTests(test_identity.IdentityTests):
+class ProjectTests(common.IdentityTests):
 
     def test_project_create(self):
         project_name = data_utils.rand_name('TestProject')
@@ -49,7 +49,7 @@ class ProjectTests(test_identity.IdentityTests):
     def test_project_list(self):
         raw_output = self.openstack('project list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_project_set(self):
         project_name = self._create_dummy_project()
diff --git a/functional/tests/identity/v2/test_role.py b/functional/tests/identity/v2/test_role.py
index 9ee60069..0f8d5ed4 100644
--- a/functional/tests/identity/v2/test_role.py
+++ b/functional/tests/identity/v2/test_role.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class RoleTests(test_identity.IdentityTests):
+class RoleTests(common.IdentityTests):
 
     def test_role_create(self):
         self._create_dummy_role()
@@ -27,7 +27,7 @@ class RoleTests(test_identity.IdentityTests):
         self._create_dummy_role()
         raw_output = self.openstack('role list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_role_list_with_user_project(self):
         project_name = self._create_dummy_project()
@@ -58,7 +58,7 @@ class RoleTests(test_identity.IdentityTests):
             '' % {'project': project_name,
                   'user': username})
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
         self.assertEqual(1, len(items))
 
     def test_role_show(self):
diff --git a/functional/tests/identity/v2/test_service.py b/functional/tests/identity/v2/test_service.py
index bd982be1..219ed33f 100644
--- a/functional/tests/identity/v2/test_service.py
+++ b/functional/tests/identity/v2/test_service.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class ServiceTests(test_identity.IdentityTests):
+class ServiceTests(common.IdentityTests):
 
     def test_service_create(self):
         self._create_dummy_service()
@@ -27,7 +27,7 @@ class ServiceTests(test_identity.IdentityTests):
         self._create_dummy_service()
         raw_output = self.openstack('service list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_service_show(self):
         service_name = self._create_dummy_service()
diff --git a/functional/tests/identity/v2/test_token.py b/functional/tests/identity/v2/test_token.py
index bac2b0ac..ca9b7d68 100644
--- a/functional/tests/identity/v2/test_token.py
+++ b/functional/tests/identity/v2/test_token.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class TokenTests(test_identity.IdentityTests):
+class TokenTests(common.IdentityTests):
 
     def test_token_issue(self):
         self._create_dummy_token()
diff --git a/functional/tests/identity/v2/test_user.py b/functional/tests/identity/v2/test_user.py
index 34cabf7b..ef4defac 100644
--- a/functional/tests/identity/v2/test_user.py
+++ b/functional/tests/identity/v2/test_user.py
@@ -13,10 +13,10 @@
 from tempest.lib.common.utils import data_utils
 from tempest.lib import exceptions
 
-from functional.tests.identity.v2 import test_identity
+from functional.tests.identity.v2 import common
 
 
-class UserTests(test_identity.IdentityTests):
+class UserTests(common.IdentityTests):
 
     def test_user_create(self):
         self._create_dummy_user()
@@ -29,7 +29,7 @@ class UserTests(test_identity.IdentityTests):
     def test_user_list(self):
         raw_output = self.openstack('user list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_user_set(self):
         username = self._create_dummy_user()
diff --git a/functional/tests/identity/v3/test_identity.py b/functional/tests/identity/v3/common.py
similarity index 98%
rename from functional/tests/identity/v3/test_identity.py
rename to functional/tests/identity/v3/common.py
index 3f988742..a7cddfc2 100644
--- a/functional/tests/identity/v3/test_identity.py
+++ b/functional/tests/identity/v3/common.py
@@ -51,15 +51,11 @@ class IdentityTests(test.TestCase):
 
     @classmethod
     def setUpClass(cls):
-        if hasattr(super(IdentityTests, cls), 'setUpClass'):
-            super(IdentityTests, cls).setUpClass()
-
         # prepare v3 env
+        os.environ['OS_IDENTITY_API_VERSION'] = '3'
         auth_url = os.environ.get('OS_AUTH_URL')
         auth_url = auth_url.replace('v2.0', 'v3')
         os.environ['OS_AUTH_URL'] = auth_url
-        os.environ['OS_IDENTITY_API_VERSION'] = '3'
-        os.environ['OS_AUTH_TYPE'] = 'v3password'
 
         # create dummy domain
         cls.domain_name = data_utils.rand_name('TestDomain')
diff --git a/functional/tests/identity/v3/test_catalog.py b/functional/tests/identity/v3/test_catalog.py
index 68364529..e33876b0 100644
--- a/functional/tests/identity/v3/test_catalog.py
+++ b/functional/tests/identity/v3/test_catalog.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class CatalogTests(test_identity.IdentityTests):
+class CatalogTests(common.IdentityTests):
 
     def test_catalog_list(self):
         raw_output = self.openstack('catalog list')
diff --git a/functional/tests/identity/v3/test_domain.py b/functional/tests/identity/v3/test_domain.py
index 0708e420..305ed58d 100644
--- a/functional/tests/identity/v3/test_domain.py
+++ b/functional/tests/identity/v3/test_domain.py
@@ -13,10 +13,10 @@
 from tempest.lib.common.utils import data_utils
 from tempest.lib import exceptions
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class DomainTests(test_identity.IdentityTests):
+class DomainTests(common.IdentityTests):
 
     def test_domain_create(self):
         domain_name = data_utils.rand_name('TestDomain')
@@ -33,7 +33,7 @@ class DomainTests(test_identity.IdentityTests):
         self._create_dummy_domain()
         raw_output = self.openstack('domain list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_domain_delete(self):
         domain_name = self._create_dummy_domain(add_clean_up=False)
diff --git a/functional/tests/identity/v3/test_endpoint.py b/functional/tests/identity/v3/test_endpoint.py
index ec11deab..162c9e58 100644
--- a/functional/tests/identity/v3/test_endpoint.py
+++ b/functional/tests/identity/v3/test_endpoint.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class EndpointTests(test_identity.IdentityTests):
+class EndpointTests(common.IdentityTests):
 
     def test_endpoint_create(self):
         self._create_dummy_endpoint(interface='public')
diff --git a/functional/tests/identity/v3/test_group.py b/functional/tests/identity/v3/test_group.py
index 3f58864d..35075698 100644
--- a/functional/tests/identity/v3/test_group.py
+++ b/functional/tests/identity/v3/test_group.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class GroupTests(test_identity.IdentityTests):
+class GroupTests(common.IdentityTests):
 
     def test_group_create(self):
         self._create_dummy_group()
@@ -24,7 +24,7 @@ class GroupTests(test_identity.IdentityTests):
         group_name = self._create_dummy_group()
         raw_output = self.openstack('group list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
         self.assertIn(group_name, raw_output)
 
     def test_group_list_with_domain(self):
@@ -32,7 +32,7 @@ class GroupTests(test_identity.IdentityTests):
         raw_output = self.openstack(
             'group list --domain %s' % self.domain_name)
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
         self.assertIn(group_name, raw_output)
 
     def test_group_delete(self):
diff --git a/functional/tests/identity/v3/test_idp.py b/functional/tests/identity/v3/test_idp.py
index 08f660f6..8d864712 100644
--- a/functional/tests/identity/v3/test_idp.py
+++ b/functional/tests/identity/v3/test_idp.py
@@ -10,11 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 from tempest.lib.common.utils import data_utils
 
 
-class IdentityProviderTests(test_identity.IdentityTests):
+class IdentityProviderTests(common.IdentityTests):
     # Introduce functional test case for command 'Identity Provider'
 
     def test_idp_create(self):
diff --git a/functional/tests/identity/v3/test_project.py b/functional/tests/identity/v3/test_project.py
index d060c7b1..a27c58fb 100644
--- a/functional/tests/identity/v3/test_project.py
+++ b/functional/tests/identity/v3/test_project.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class ProjectTests(test_identity.IdentityTests):
+class ProjectTests(common.IdentityTests):
 
     def test_project_create(self):
         project_name = data_utils.rand_name('TestProject')
@@ -57,14 +57,14 @@ class ProjectTests(test_identity.IdentityTests):
     def test_project_list(self):
         raw_output = self.openstack('project list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_project_list_with_domain(self):
         project_name = self._create_dummy_project()
         raw_output = self.openstack(
             'project list --domain %s' % self.domain_name)
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
         self.assertIn(project_name, raw_output)
         self.assertTrue(len(items) > 0)
 
diff --git a/functional/tests/identity/v3/test_region.py b/functional/tests/identity/v3/test_region.py
index be6ef1cb..5ba0c231 100644
--- a/functional/tests/identity/v3/test_region.py
+++ b/functional/tests/identity/v3/test_region.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class RegionTests(test_identity.IdentityTests):
+class RegionTests(common.IdentityTests):
 
     def test_region_create(self):
         self._create_dummy_region()
diff --git a/functional/tests/identity/v3/test_role.py b/functional/tests/identity/v3/test_role.py
index 29dc4b20..60aaf3f4 100644
--- a/functional/tests/identity/v3/test_role.py
+++ b/functional/tests/identity/v3/test_role.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class RoleTests(test_identity.IdentityTests):
+class RoleTests(common.IdentityTests):
 
     def test_role_create(self):
         self._create_dummy_role()
@@ -29,7 +29,7 @@ class RoleTests(test_identity.IdentityTests):
         self._create_dummy_role()
         raw_output = self.openstack('role list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_role_list_with_user_project(self):
         role_name = self._create_dummy_role()
@@ -69,7 +69,7 @@ class RoleTests(test_identity.IdentityTests):
                   'user': username,
                   'user_domain': self.domain_name})
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
         self.assertEqual(1, len(items))
 
     def test_role_show(self):
diff --git a/functional/tests/identity/v3/test_service.py b/functional/tests/identity/v3/test_service.py
index 684fa5fe..c757d914 100644
--- a/functional/tests/identity/v3/test_service.py
+++ b/functional/tests/identity/v3/test_service.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class ServiceTests(test_identity.IdentityTests):
+class ServiceTests(common.IdentityTests):
 
     def test_service_create(self):
         self._create_dummy_service()
@@ -29,7 +29,7 @@ class ServiceTests(test_identity.IdentityTests):
         self._create_dummy_service()
         raw_output = self.openstack('service list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_service_set(self):
         service_name = self._create_dummy_service()
diff --git a/functional/tests/identity/v3/test_service_provider.py b/functional/tests/identity/v3/test_service_provider.py
index 936c6620..6cfa7e56 100644
--- a/functional/tests/identity/v3/test_service_provider.py
+++ b/functional/tests/identity/v3/test_service_provider.py
@@ -10,11 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 from tempest.lib.common.utils import data_utils
 
 
-class ServiceProviderTests(test_identity.IdentityTests):
+class ServiceProviderTests(common.IdentityTests):
     # Introduce functional test cases for command 'Service Provider'
 
     def test_sp_create(self):
diff --git a/functional/tests/identity/v3/test_token.py b/functional/tests/identity/v3/test_token.py
index 67fddccf..d8d3f43d 100644
--- a/functional/tests/identity/v3/test_token.py
+++ b/functional/tests/identity/v3/test_token.py
@@ -10,10 +10,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class TokenTests(test_identity.IdentityTests):
+class TokenTests(common.IdentityTests):
 
     def test_token_issue(self):
         raw_output = self.openstack('token issue')
diff --git a/functional/tests/identity/v3/test_user.py b/functional/tests/identity/v3/test_user.py
index cc3e08a0..f3657064 100644
--- a/functional/tests/identity/v3/test_user.py
+++ b/functional/tests/identity/v3/test_user.py
@@ -12,10 +12,10 @@
 
 from tempest.lib.common.utils import data_utils
 
-from functional.tests.identity.v3 import test_identity
+from functional.tests.identity.v3 import common
 
 
-class UserTests(test_identity.IdentityTests):
+class UserTests(common.IdentityTests):
 
     def test_user_create(self):
         self._create_dummy_user()
@@ -31,7 +31,7 @@ class UserTests(test_identity.IdentityTests):
     def test_user_list(self):
         raw_output = self.openstack('user list')
         items = self.parse_listing(raw_output)
-        self.assert_table_structure(items, test_identity.BASIC_LIST_HEADERS)
+        self.assert_table_structure(items, common.BASIC_LIST_HEADERS)
 
     def test_user_set(self):
         username = self._create_dummy_user()