Revert "Skip identity v2 functional tests"

This reverts commit 5032dbc807 based on [1].

[1] https://review.openstack.org/#/c/274703/

Change-Id: Ic10ef7c37d71e452fbc4bd36e28be79d669b4e3f

functional/tests/identity/v2/test_catalog.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class CatalogTests(test_identity.IdentityTests):
 
     def test_catalog_list(self):

functional/tests/identity/v2/test_ec2_credentials.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class EC2CredentialsTests(test_identity.IdentityTests):
 
     def test_ec2_credentials_create(self):

functional/tests/identity/v2/test_endpoint.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class EndpointTests(test_identity.IdentityTests):
 
     def test_endpoint_create(self):

functional/tests/identity/v2/test_project.py

@@ -10,14 +10,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest_lib.common.utils import data_utils
 
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class ProjectTests(test_identity.IdentityTests):
 
     def test_project_create(self):

functional/tests/identity/v2/test_role.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class RoleTests(test_identity.IdentityTests):
 
     def test_role_create(self):

functional/tests/identity/v2/test_service.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class ServiceTests(test_identity.IdentityTests):
 
     def test_service_create(self):

functional/tests/identity/v2/test_token.py

@@ -10,12 +10,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class TokenTests(test_identity.IdentityTests):
 
     def test_token_issue(self):

functional/tests/identity/v2/test_user.py

@@ -10,15 +10,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import testtools
-
 from tempest_lib.common.utils import data_utils
 
 from functional.common import exceptions
 from functional.tests.identity.v2 import test_identity
 
 
-@testtools.skip('bug/1539780')
 class UserTests(test_identity.IdentityTests):
 
     def test_user_create(self):

functional/tests/identity/v3/test_identity.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
@@ -47,6 +49,13 @@ class IdentityTests(test.TestCase):
         if hasattr(super(IdentityTests, cls), 'setUpClass'):
             super(IdentityTests, cls).setUpClass()
 
+        # prepare v3 env
+        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')
         cls.domain_description = data_utils.rand_name('description')