diff --git a/tempest/api/compute/admin/test_simple_tenant_usage_negative.py b/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
index d69c43c..1031b24 100644
--- a/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
+++ b/tempest/api/compute/admin/test_simple_tenant_usage_negative.py
@@ -51,7 +51,6 @@
         # Get usage for tenant with invalid date
         params = {'start': self.end,
                   'end': self.start}
-        resp, tenants = self.identity_client.list_tenants()
         self.assertRaises(exceptions.BadRequest,
                           self.adm_client.get_tenant_usage,
                           self.client.tenant_id, params)
diff --git a/tempest/api/identity/admin/test_roles.py b/tempest/api/identity/admin/test_roles.py
index a29f27e..7a6d07f 100644
--- a/tempest/api/identity/admin/test_roles.py
+++ b/tempest/api/identity/admin/test_roles.py
@@ -29,7 +29,7 @@
         super(RolesTestJSON, cls).setUpClass()
         for _ in moves.xrange(5):
             role_name = data_utils.rand_name(name='role-')
-            resp, role = cls.client.create_role(role_name)
+            _, role = cls.client.create_role(role_name)
             cls.data.roles.append(role)
 
     def _get_role_params(self):
@@ -50,7 +50,7 @@
     @test.attr(type='gate')
     def test_list_roles(self):
         # Return a list of all roles
-        resp, body = self.client.list_roles()
+        _, body = self.client.list_roles()
         found = [role for role in body if role in self.data.roles]
         self.assertTrue(any(found))
         self.assertEqual(len(found), len(self.data.roles))
@@ -59,18 +59,16 @@
     def test_role_create_delete(self):
         # Role should be created, verified, and deleted
         role_name = data_utils.rand_name(name='role-test-')
-        resp, body = self.client.create_role(role_name)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_role(role_name)
         self.assertEqual(role_name, body['name'])
 
-        resp, body = self.client.list_roles()
+        _, body = self.client.list_roles()
         found = [role for role in body if role['name'] == role_name]
         self.assertTrue(any(found))
 
-        resp, body = self.client.delete_role(found[0]['id'])
-        self.assertEqual(204, resp.status)
+        _, body = self.client.delete_role(found[0]['id'])
 
-        resp, body = self.client.list_roles()
+        _, body = self.client.list_roles()
         found = [role for role in body if role['name'] == role_name]
         self.assertFalse(any(found))
 
@@ -80,9 +78,7 @@
         self.data.setup_test_role()
         role_id = self.data.role['id']
         role_name = self.data.role['name']
-        resp, body = self.client.get_role(role_id)
-        self.assertIn('status', resp)
-        self.assertTrue('200', resp['status'])
+        _, body = self.client.get_role(role_id)
         self.assertEqual(role_id, body['id'])
         self.assertEqual(role_name, body['name'])
 
@@ -91,25 +87,24 @@
         # Assign a role to a user on a tenant
         (user, tenant, role) = self._get_role_params()
         self.client.assign_user_role(tenant['id'], user['id'], role['id'])
-        resp, roles = self.client.list_user_roles(tenant['id'], user['id'])
+        _, roles = self.client.list_user_roles(tenant['id'], user['id'])
         self.assert_role_in_role_list(role, roles)
 
     @test.attr(type='gate')
     def test_remove_user_role(self):
         # Remove a role assigned to a user on a tenant
         (user, tenant, role) = self._get_role_params()
-        resp, user_role = self.client.assign_user_role(tenant['id'],
-                                                       user['id'], role['id'])
-        resp, body = self.client.remove_user_role(tenant['id'], user['id'],
-                                                  user_role['id'])
-        self.assertEqual(204, resp.status)
+        _, user_role = self.client.assign_user_role(tenant['id'],
+                                                    user['id'], role['id'])
+        self.client.remove_user_role(tenant['id'], user['id'],
+                                     user_role['id'])
 
     @test.attr(type='gate')
     def test_list_user_roles(self):
         # List roles assigned to a user on tenant
         (user, tenant, role) = self._get_role_params()
         self.client.assign_user_role(tenant['id'], user['id'], role['id'])
-        resp, roles = self.client.list_user_roles(tenant['id'], user['id'])
+        _, roles = self.client.list_user_roles(tenant['id'], user['id'])
         self.assert_role_in_role_list(role, roles)
 
 
diff --git a/tempest/api/identity/admin/test_roles_negative.py b/tempest/api/identity/admin/test_roles_negative.py
index 6f8f9b5..37a981e 100644
--- a/tempest/api/identity/admin/test_roles_negative.py
+++ b/tempest/api/identity/admin/test_roles_negative.py
@@ -72,9 +72,8 @@
     def test_role_create_duplicate(self):
         # Role names should be unique
         role_name = data_utils.rand_name(name='role-dup-')
-        resp, body = self.client.create_role(role_name)
+        _, body = self.client.create_role(role_name)
         role1_id = body.get('id')
-        self.assertEqual(200, resp.status)
         self.addCleanup(self.client.delete_role, role1_id)
         self.assertRaises(exceptions.Conflict, self.client.create_role,
                           role_name)
@@ -83,8 +82,7 @@
     def test_delete_role_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete role
         role_name = data_utils.rand_name(name='role-')
-        resp, body = self.client.create_role(role_name)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_role(role_name)
         self.data.roles.append(body)
         role_id = body.get('id')
         self.assertRaises(exceptions.Unauthorized,
@@ -94,8 +92,7 @@
     def test_delete_role_request_without_token(self):
         # Request to delete role without a valid token should fail
         role_name = data_utils.rand_name(name='role-')
-        resp, body = self.client.create_role(role_name)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_role(role_name)
         self.data.roles.append(body)
         role_id = body.get('id')
         token = self.client.auth_provider.get_token()
diff --git a/tempest/api/identity/admin/test_services.py b/tempest/api/identity/admin/test_services.py
index 5926488..a9782a9 100644
--- a/tempest/api/identity/admin/test_services.py
+++ b/tempest/api/identity/admin/test_services.py
@@ -26,8 +26,7 @@
 
     def _del_service(self, service_id):
         # Deleting the service created in this method
-        resp, _ = self.client.delete_service(service_id)
-        self.assertEqual(204, resp.status)
+        self.client.delete_service(service_id)
         # Checking whether service is deleted successfully
         self.assertRaises(exceptions.NotFound, self.client.get_service,
                           service_id)
@@ -39,11 +38,10 @@
         name = data_utils.rand_name('service-')
         type = data_utils.rand_name('type--')
         description = data_utils.rand_name('description-')
-        resp, service_data = self.client.create_service(
+        _, service_data = self.client.create_service(
             name, type, description=description)
         self.assertFalse(service_data['id'] is None)
         self.addCleanup(self._del_service, service_data['id'])
-        self.assertEqual(200, resp.status)
         # Verifying response body of create service
         self.assertIn('id', service_data)
         self.assertIn('name', service_data)
@@ -53,8 +51,7 @@
         self.assertIn('description', service_data)
         self.assertEqual(description, service_data['description'])
         # Get service
-        resp, fetched_service = self.client.get_service(service_data['id'])
-        self.assertEqual(200, resp.status)
+        _, fetched_service = self.client.get_service(service_data['id'])
         # verifying the existence of service created
         self.assertIn('id', fetched_service)
         self.assertEqual(fetched_service['id'], service_data['id'])
@@ -71,9 +68,8 @@
         # Create a service only with name and type
         name = data_utils.rand_name('service-')
         type = data_utils.rand_name('type--')
-        resp, service = self.client.create_service(name, type)
+        _, service = self.client.create_service(name, type)
         self.assertIn('id', service)
-        self.assertTrue('200', resp['status'])
         self.addCleanup(self._del_service, service['id'])
         self.assertIn('name', service)
         self.assertEqual(name, service['name'])
@@ -88,7 +84,7 @@
             name = data_utils.rand_name('service-')
             type = data_utils.rand_name('type--')
             description = data_utils.rand_name('description-')
-            resp, service = self.client.create_service(
+            _, service = self.client.create_service(
                 name, type, description=description)
             services.append(service)
         service_ids = map(lambda x: x['id'], services)
@@ -99,8 +95,7 @@
 
         self.addCleanup(delete_services)
         # List and Verify Services
-        resp, body = self.client.list_services()
-        self.assertEqual(200, resp.status)
+        _, body = self.client.list_services()
         found = [serv for serv in body if serv['id'] in service_ids]
         self.assertEqual(len(found), len(services), 'Services not found')
 
diff --git a/tempest/api/identity/admin/test_tenant_negative.py b/tempest/api/identity/admin/test_tenant_negative.py
index 622ad81..dcfacee 100644
--- a/tempest/api/identity/admin/test_tenant_negative.py
+++ b/tempest/api/identity/admin/test_tenant_negative.py
@@ -42,8 +42,7 @@
     def test_tenant_delete_by_unauthorized_user(self):
         # Non-administrator user should not be able to delete a tenant
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, tenant = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         self.assertRaises(exceptions.Unauthorized,
                           self.non_admin_client.delete_tenant, tenant['id'])
@@ -52,8 +51,7 @@
     def test_tenant_delete_request_without_token(self):
         # Request to delete a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, tenant = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
@@ -71,8 +69,7 @@
     def test_tenant_create_duplicate(self):
         # Tenant names should be unique
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, body = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_tenant(tenant_name)
         tenant = body
         self.data.tenants.append(tenant)
         tenant1_id = body.get('id')
@@ -122,8 +119,7 @@
     def test_tenant_update_by_unauthorized_user(self):
         # Non-administrator user should not be able to update a tenant
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, tenant = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         self.assertRaises(exceptions.Unauthorized,
                           self.non_admin_client.update_tenant, tenant['id'])
@@ -132,8 +128,7 @@
     def test_tenant_update_request_without_token(self):
         # Request to update a tenant without a valid token should fail
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, tenant = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         token = self.client.auth_provider.get_token()
         self.client.delete_token(token)
diff --git a/tempest/api/identity/admin/test_tenants.py b/tempest/api/identity/admin/test_tenants.py
index 93734d2..8d3b402 100644
--- a/tempest/api/identity/admin/test_tenants.py
+++ b/tempest/api/identity/admin/test_tenants.py
@@ -29,22 +29,19 @@
         tenants = []
         for _ in moves.xrange(3):
             tenant_name = data_utils.rand_name(name='tenant-new')
-            resp, tenant = self.client.create_tenant(tenant_name)
-            self.assertEqual(200, resp.status)
+            _, tenant = self.client.create_tenant(tenant_name)
             self.data.tenants.append(tenant)
             tenants.append(tenant)
         tenant_ids = map(lambda x: x['id'], tenants)
-        resp, body = self.client.list_tenants()
-        self.assertEqual(200, resp.status)
+        _, body = self.client.list_tenants()
         found = [t for t in body if t['id'] in tenant_ids]
         self.assertEqual(len(found), len(tenants), 'Tenants not created')
 
         for tenant in tenants:
-            resp, body = self.client.delete_tenant(tenant['id'])
-            self.assertEqual(204, resp.status)
+            self.client.delete_tenant(tenant['id'])
             self.data.tenants.remove(tenant)
 
-        resp, body = self.client.list_tenants()
+        _, body = self.client.list_tenants()
         found = [tenant for tenant in body if tenant['id'] in tenant_ids]
         self.assertFalse(any(found), 'Tenants failed to delete')
 
@@ -53,16 +50,15 @@
         # Create tenant with a description
         tenant_name = data_utils.rand_name(name='tenant-')
         tenant_desc = data_utils.rand_name(name='desc-')
-        resp, body = self.client.create_tenant(tenant_name,
-                                               description=tenant_desc)
+        _, body = self.client.create_tenant(tenant_name,
+                                            description=tenant_desc)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         desc1 = body['description']
-        self.assertEqual(200, resp.status)
         self.assertEqual(desc1, tenant_desc, 'Description should have '
                          'been sent in response for create')
-        resp, body = self.client.get_tenant(tenant_id)
+        _, body = self.client.get_tenant(tenant_id)
         desc2 = body['description']
         self.assertEqual(desc2, tenant_desc, 'Description does not appear'
                          'to be set')
@@ -73,14 +69,13 @@
     def test_tenant_create_enabled(self):
         # Create a tenant that is enabled
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, body = self.client.create_tenant(tenant_name, enabled=True)
+        _, body = self.client.create_tenant(tenant_name, enabled=True)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         en1 = body['enabled']
-        self.assertEqual(200, resp.status)
         self.assertTrue(en1, 'Enable should be True in response')
-        resp, body = self.client.get_tenant(tenant_id)
+        _, body = self.client.get_tenant(tenant_id)
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
         self.client.delete_tenant(tenant_id)
@@ -90,15 +85,14 @@
     def test_tenant_create_not_enabled(self):
         # Create a tenant that is not enabled
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, body = self.client.create_tenant(tenant_name, enabled=False)
+        _, body = self.client.create_tenant(tenant_name, enabled=False)
         tenant = body
         self.data.tenants.append(tenant)
         tenant_id = body['id']
         en1 = body['enabled']
-        self.assertEqual(200, resp.status)
         self.assertEqual('false', str(en1).lower(),
                          'Enable should be False in response')
-        resp, body = self.client.get_tenant(tenant_id)
+        _, body = self.client.get_tenant(tenant_id)
         en2 = body['enabled']
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
@@ -109,8 +103,7 @@
     def test_tenant_update_name(self):
         # Update name attribute of a tenant
         t_name1 = data_utils.rand_name(name='tenant-')
-        resp, body = self.client.create_tenant(t_name1)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_tenant(t_name1)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -118,12 +111,11 @@
         resp1_name = body['name']
 
         t_name2 = data_utils.rand_name(name='tenant2-')
-        resp, body = self.client.update_tenant(t_id, name=t_name2)
+        _, body = self.client.update_tenant(t_id, name=t_name2)
         resp2_name = body['name']
-        self.assertEqual(200, resp.status)
         self.assertNotEqual(resp1_name, resp2_name)
 
-        resp, body = self.client.get_tenant(t_id)
+        _, body = self.client.get_tenant(t_id)
         resp3_name = body['name']
 
         self.assertNotEqual(resp1_name, resp3_name)
@@ -138,8 +130,7 @@
         # Update description attribute of a tenant
         t_name = data_utils.rand_name(name='tenant-')
         t_desc = data_utils.rand_name(name='desc-')
-        resp, body = self.client.create_tenant(t_name, description=t_desc)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_tenant(t_name, description=t_desc)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -147,12 +138,11 @@
         resp1_desc = body['description']
 
         t_desc2 = data_utils.rand_name(name='desc2-')
-        resp, body = self.client.update_tenant(t_id, description=t_desc2)
+        _, body = self.client.update_tenant(t_id, description=t_desc2)
         resp2_desc = body['description']
-        self.assertEqual(200, resp.status)
         self.assertNotEqual(resp1_desc, resp2_desc)
 
-        resp, body = self.client.get_tenant(t_id)
+        _, body = self.client.get_tenant(t_id)
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
@@ -167,8 +157,7 @@
         # Update the enabled attribute of a tenant
         t_name = data_utils.rand_name(name='tenant-')
         t_en = False
-        resp, body = self.client.create_tenant(t_name, enabled=t_en)
-        self.assertEqual(200, resp.status)
+        _, body = self.client.create_tenant(t_name, enabled=t_en)
         tenant = body
         self.data.tenants.append(tenant)
 
@@ -176,12 +165,11 @@
         resp1_en = body['enabled']
 
         t_en2 = True
-        resp, body = self.client.update_tenant(t_id, enabled=t_en2)
+        _, body = self.client.update_tenant(t_id, enabled=t_en2)
         resp2_en = body['enabled']
-        self.assertEqual(200, resp.status)
         self.assertNotEqual(resp1_en, resp2_en)
 
-        resp, body = self.client.get_tenant(t_id)
+        _, body = self.client.get_tenant(t_id)
         resp3_en = body['enabled']
 
         self.assertNotEqual(resp1_en, resp3_en)
diff --git a/tempest/api/identity/admin/test_tokens.py b/tempest/api/identity/admin/test_tokens.py
index 08e12f0..e1db008 100644
--- a/tempest/api/identity/admin/test_tokens.py
+++ b/tempest/api/identity/admin/test_tokens.py
@@ -28,13 +28,11 @@
         user_password = data_utils.rand_name(name='pass-')
         # first:create a tenant
         tenant_name = data_utils.rand_name(name='tenant-')
-        resp, tenant = self.client.create_tenant(tenant_name)
-        self.assertEqual(200, resp.status)
+        _, tenant = self.client.create_tenant(tenant_name)
         self.data.tenants.append(tenant)
         # second:create a user
-        resp, user = self.client.create_user(user_name, user_password,
-                                             tenant['id'], '')
-        self.assertEqual(200, resp.status)
+        _, user = self.client.create_user(user_name, user_password,
+                                          tenant['id'], '')
         self.data.users.append(user)
         # then get a token for the user
         rsp, body = self.token_client.auth(user_name,
@@ -45,16 +43,14 @@
                          tenant['name'])
         # Perform GET Token
         token_id = body['token']['id']
-        resp, token_details = self.client.get_token(token_id)
-        self.assertEqual(resp['status'], '200')
+        _, token_details = self.client.get_token(token_id)
         self.assertEqual(token_id, token_details['token']['id'])
         self.assertEqual(user['id'], token_details['user']['id'])
         self.assertEqual(user_name, token_details['user']['name'])
         self.assertEqual(tenant['name'],
                          token_details['token']['tenant']['name'])
         # then delete the token
-        resp, body = self.client.delete_token(token_id)
-        self.assertEqual(resp['status'], '204')
+        self.client.delete_token(token_id)
 
     @test.attr(type='gate')
     def test_rescope_token(self):
@@ -67,56 +63,51 @@
         user_password = data_utils.rand_name(name='pass-')
         tenant_id = None  # No default tenant so will get unscoped token.
         email = ''
-        resp, user = self.client.create_user(user_name, user_password,
-                                             tenant_id, email)
-        self.assertEqual(200, resp.status)
+        _, user = self.client.create_user(user_name, user_password,
+                                          tenant_id, email)
         self.data.users.append(user)
 
         # Create a couple tenants.
         tenant1_name = data_utils.rand_name(name='tenant-')
-        resp, tenant1 = self.client.create_tenant(tenant1_name)
-        self.assertEqual(200, resp.status)
+        _, tenant1 = self.client.create_tenant(tenant1_name)
         self.data.tenants.append(tenant1)
 
         tenant2_name = data_utils.rand_name(name='tenant-')
-        resp, tenant2 = self.client.create_tenant(tenant2_name)
-        self.assertEqual(200, resp.status)
+        _, tenant2 = self.client.create_tenant(tenant2_name)
         self.data.tenants.append(tenant2)
 
         # Create a role
         role_name = data_utils.rand_name(name='role-')
-        resp, role = self.client.create_role(role_name)
-        self.assertEqual(200, resp.status)
+        _, role = self.client.create_role(role_name)
         self.data.roles.append(role)
 
         # Grant the user the role on the tenants.
-        resp, _ = self.client.assign_user_role(tenant1['id'], user['id'],
-                                               role['id'])
-        self.assertEqual(200, resp.status)
+        self.client.assign_user_role(tenant1['id'], user['id'],
+                                     role['id'])
 
-        resp, _ = self.client.assign_user_role(tenant2['id'], user['id'],
-                                               role['id'])
-        self.assertEqual(200, resp.status)
+        self.client.assign_user_role(tenant2['id'], user['id'],
+                                     role['id'])
 
         # Get an unscoped token.
-        rsp, body = self.token_client.auth(user_name, user_password)
+        resp, body = self.token_client.auth(user_name, user_password)
         self.assertEqual(200, resp.status)
 
         token_id = body['token']['id']
 
         # Use the unscoped token to get a token scoped to tenant1
-        rsp, body = self.token_client.auth_token(token_id, tenant=tenant1_name)
+        resp, body = self.token_client.auth_token(token_id,
+                                                  tenant=tenant1_name)
         self.assertEqual(200, resp.status)
 
         scoped_token_id = body['token']['id']
 
         # Revoke the scoped token
-        resp, body = self.client.delete_token(scoped_token_id)
-        self.assertEqual(204, resp.status)
+        self.client.delete_token(scoped_token_id)
 
         # Use the unscoped token to get a token scoped to tenant2
-        rsp, body = self.token_client.auth_token(token_id, tenant=tenant2_name)
-        self.assertEqual(204, resp.status)
+        resp, body = self.token_client.auth_token(token_id,
+                                                  tenant=tenant2_name)
+        self.assertEqual(200, resp.status)
 
 
 class TokensTestXML(TokensTestJSON):
diff --git a/tempest/api/identity/admin/test_users.py b/tempest/api/identity/admin/test_users.py
index e2c1066..5838da3 100644
--- a/tempest/api/identity/admin/test_users.py
+++ b/tempest/api/identity/admin/test_users.py
@@ -34,11 +34,10 @@
     def test_create_user(self):
         # Create a user
         self.data.setup_test_tenant()
-        resp, user = self.client.create_user(self.alt_user, self.alt_password,
-                                             self.data.tenant['id'],
-                                             self.alt_email)
+        _, user = self.client.create_user(self.alt_user, self.alt_password,
+                                          self.data.tenant['id'],
+                                          self.alt_email)
         self.data.users.append(user)
-        self.assertEqual('200', resp['status'])
         self.assertEqual(self.alt_user, user['name'])
 
     @test.attr(type='smoke')
@@ -46,11 +45,10 @@
         # Create a user with enabled : False
         self.data.setup_test_tenant()
         name = data_utils.rand_name('test_user_')
-        resp, user = self.client.create_user(name, self.alt_password,
-                                             self.data.tenant['id'],
-                                             self.alt_email, enabled=False)
+        _, user = self.client.create_user(name, self.alt_password,
+                                          self.data.tenant['id'],
+                                          self.alt_email, enabled=False)
         self.data.users.append(user)
-        self.assertEqual('200', resp['status'])
         self.assertEqual(name, user['name'])
         self.assertEqual('false', str(user['enabled']).lower())
         self.assertEqual(self.alt_email, user['email'])
@@ -60,24 +58,22 @@
         # Test case to check if updating of user attributes is successful.
         test_user = data_utils.rand_name('test_user_')
         self.data.setup_test_tenant()
-        resp, user = self.client.create_user(test_user, self.alt_password,
-                                             self.data.tenant['id'],
-                                             self.alt_email)
+        _, user = self.client.create_user(test_user, self.alt_password,
+                                          self.data.tenant['id'],
+                                          self.alt_email)
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
         # Updating user details with new values
         u_name2 = data_utils.rand_name('user2-')
         u_email2 = u_name2 + '@testmail.tm'
-        resp, update_user = self.client.update_user(user['id'], name=u_name2,
-                                                    email=u_email2,
-                                                    enabled=False)
-        # Assert response body of update user.
-        self.assertEqual(200, resp.status)
+        _, update_user = self.client.update_user(user['id'], name=u_name2,
+                                                 email=u_email2,
+                                                 enabled=False)
         self.assertEqual(u_name2, update_user['name'])
         self.assertEqual(u_email2, update_user['email'])
         self.assertEqual('false', str(update_user['enabled']).lower())
         # GET by id after updating
-        resp, updated_user = self.client.get_user(user['id'])
+        _, updated_user = self.client.get_user(user['id'])
         # Assert response body of GET after updating
         self.assertEqual(u_name2, updated_user['name'])
         self.assertEqual(u_email2, updated_user['email'])
@@ -88,12 +84,10 @@
         # Delete a user
         test_user = data_utils.rand_name('test_user_')
         self.data.setup_test_tenant()
-        resp, user = self.client.create_user(test_user, self.alt_password,
-                                             self.data.tenant['id'],
-                                             self.alt_email)
-        self.assertEqual('200', resp['status'])
-        resp, body = self.client.delete_user(user['id'])
-        self.assertEqual('204', resp['status'])
+        _, user = self.client.create_user(test_user, self.alt_password,
+                                          self.data.tenant['id'],
+                                          self.alt_email)
+        self.client.delete_user(user['id'])
 
     @test.attr(type='smoke')
     def test_user_authentication(self):
@@ -129,7 +123,7 @@
     def test_get_users(self):
         # Get a list of users and find the test user
         self.data.setup_test_user()
-        resp, users = self.client.get_users()
+        _, users = self.client.get_users()
         self.assertThat([u['name'] for u in users],
                         matchers.Contains(self.data.test_user),
                         "Could not find %s" % self.data.test_user)
@@ -141,23 +135,20 @@
         user_ids = list()
         fetched_user_ids = list()
         alt_tenant_user1 = data_utils.rand_name('tenant_user1_')
-        resp, user1 = self.client.create_user(alt_tenant_user1, 'password1',
-                                              self.data.tenant['id'],
-                                              'user1@123')
-        self.assertEqual('200', resp['status'])
+        _, user1 = self.client.create_user(alt_tenant_user1, 'password1',
+                                           self.data.tenant['id'],
+                                           'user1@123')
         user_ids.append(user1['id'])
         self.data.users.append(user1)
 
         alt_tenant_user2 = data_utils.rand_name('tenant_user2_')
-        resp, user2 = self.client.create_user(alt_tenant_user2, 'password2',
-                                              self.data.tenant['id'],
-                                              'user2@123')
-        self.assertEqual('200', resp['status'])
+        _, user2 = self.client.create_user(alt_tenant_user2, 'password2',
+                                           self.data.tenant['id'],
+                                           'user2@123')
         user_ids.append(user2['id'])
         self.data.users.append(user2)
         # List of users for the respective tenant ID
-        resp, body = self.client.list_users_for_tenant(self.data.tenant['id'])
-        self.assertIn(resp['status'], ('200', '203'))
+        _, body = self.client.list_users_for_tenant(self.data.tenant['id'])
         for i in body:
             fetched_user_ids.append(i['id'])
         # verifying the user Id in the list
@@ -179,24 +170,20 @@
         user_ids = list()
         fetched_user_ids = list()
         user_ids.append(user['id'])
-        resp, role = self.client.assign_user_role(tenant['id'], user['id'],
-                                                  role['id'])
-        self.assertEqual('200', resp['status'])
+        _, role = self.client.assign_user_role(tenant['id'], user['id'],
+                                               role['id'])
 
         alt_user2 = data_utils.rand_name('second_user_')
-        resp, second_user = self.client.create_user(alt_user2, 'password1',
-                                                    self.data.tenant['id'],
-                                                    'user2@123')
-        self.assertEqual('200', resp['status'])
+        _, second_user = self.client.create_user(alt_user2, 'password1',
+                                                 self.data.tenant['id'],
+                                                 'user2@123')
         user_ids.append(second_user['id'])
         self.data.users.append(second_user)
-        resp, role = self.client.assign_user_role(tenant['id'],
-                                                  second_user['id'],
-                                                  role['id'])
-        self.assertEqual('200', resp['status'])
+        _, role = self.client.assign_user_role(tenant['id'],
+                                               second_user['id'],
+                                               role['id'])
         # List of users with roles for the respective tenant ID
-        resp, body = self.client.list_users_for_tenant(self.data.tenant['id'])
-        self.assertEqual('200', resp['status'])
+        _, body = self.client.list_users_for_tenant(self.data.tenant['id'])
         for i in body:
             fetched_user_ids.append(i['id'])
         # verifying the user Id in the list
@@ -212,10 +199,8 @@
         self.data.setup_test_user()
         # Updating the user with new password
         new_pass = data_utils.rand_name('pass-')
-        resp, update_user = self.client.update_user_password(
+        _, update_user = self.client.update_user_password(
             self.data.user['id'], new_pass)
-        # Assert response body of update user.
-        self.assertEqual(200, resp.status)
         self.assertEqual(update_user['id'], self.data.user['id'])
 
         # Validate the updated password
diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index 6bb0ebe..d40e0f3 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -33,28 +33,20 @@
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_name('pass-')
         for i in range(2):
-            resp, cls.project = cls.client.create_project(
+            _, cls.project = cls.client.create_project(
                 data_utils.rand_name('project-'),
                 description=data_utils.rand_name('project-desc-'))
-            assert resp['status'] == '201', (
-                "Expected 201, but got: %s" % resp['status'])
             cls.projects.append(cls.project['id'])
 
-        resp, cls.user_body = cls.client.create_user(
+        _, cls.user_body = cls.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=cls.projects[0])
-        assert resp['status'] == '201', (
-            "Expected 201, but got: %s" % resp['status'])
 
     @classmethod
     def tearDownClass(cls):
-        resp, _ = cls.client.delete_user(cls.user_body['id'])
-        assert resp['status'] == '204', (
-            "Expected 204, but got: %s" % resp['status'])
+        cls.client.delete_user(cls.user_body['id'])
         for p in cls.projects:
-            resp, _ = cls.client.delete_project(p)
-            assert resp['status'] == '204', (
-                "Expected 204, but got: %s" % resp['status'])
+            cls.client.delete_project(p)
         super(CredentialsTestJSON, cls).tearDownClass()
 
     def _delete_credential(self, cred_id):
diff --git a/tempest/api/identity/admin/v3/test_domains.py b/tempest/api/identity/admin/v3/test_domains.py
index a1e6cde..5b73df1 100644
--- a/tempest/api/identity/admin/v3/test_domains.py
+++ b/tempest/api/identity/admin/v3/test_domains.py
@@ -25,9 +25,8 @@
     def _delete_domain(self, domain_id):
         # It is necessary to disable the domain before deleting,
         # or else it would result in unauthorized error
-        _, body = self.client.update_domain(domain_id, enabled=False)
-        resp, _ = self.client.delete_domain(domain_id)
-        self.assertEqual(204, resp.status)
+        self.client.update_domain(domain_id, enabled=False)
+        self.client.delete_domain(domain_id)
 
     @test.attr(type='smoke')
     def test_list_domains(self):
@@ -42,8 +41,7 @@
             self.addCleanup(self._delete_domain, domain['id'])
             domain_ids.append(domain['id'])
         # List and Verify Domains
-        resp, body = self.client.list_domains()
-        self.assertEqual(resp['status'], '200')
+        _, body = self.client.list_domains()
         for d in body:
             fetched_ids.append(d['id'])
         missing_doms = [d for d in domain_ids if d not in fetched_ids]
@@ -53,9 +51,8 @@
     def test_create_update_delete_domain(self):
         d_name = data_utils.rand_name('domain-')
         d_desc = data_utils.rand_name('domain-desc-')
-        resp_1, domain = self.client.create_domain(
+        _, domain = self.client.create_domain(
             d_name, description=d_desc)
-        self.assertEqual(resp_1['status'], '201')
         self.addCleanup(self._delete_domain, domain['id'])
         self.assertIn('id', domain)
         self.assertIn('description', domain)
@@ -72,9 +69,8 @@
         new_desc = data_utils.rand_name('new-desc-')
         new_name = data_utils.rand_name('new-name-')
 
-        resp_2, updated_domain = self.client.update_domain(
+        _, updated_domain = self.client.update_domain(
             domain['id'], name=new_name, description=new_desc)
-        self.assertEqual(resp_2['status'], '200')
         self.assertIn('id', updated_domain)
         self.assertIn('description', updated_domain)
         self.assertIn('name', updated_domain)
@@ -85,8 +81,7 @@
         self.assertEqual(new_desc, updated_domain['description'])
         self.assertEqual('true', str(updated_domain['enabled']).lower())
 
-        resp_3, fetched_domain = self.client.get_domain(domain['id'])
-        self.assertEqual(resp_3['status'], '200')
+        _, fetched_domain = self.client.get_domain(domain['id'])
         self.assertEqual(new_name, fetched_domain['name'])
         self.assertEqual(new_desc, fetched_domain['description'])
         self.assertEqual('true', str(fetched_domain['enabled']).lower())
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 881f69e..1548f89 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -31,7 +31,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        resp, cls.service_data =\
+        _, cls.service_data =\
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description)
         cls.service_id = cls.service_data['id']
@@ -108,7 +108,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        resp, service2 =\
+        _, service2 =\
             self.service_client.create_service(s_name, s_type,
                                                description=s_description)
         self.service_ids.append(service2['id'])
diff --git a/tempest/api/identity/admin/v3/test_endpoints_negative.py b/tempest/api/identity/admin/v3/test_endpoints_negative.py
index 5b46f89..1d63cce 100644
--- a/tempest/api/identity/admin/v3/test_endpoints_negative.py
+++ b/tempest/api/identity/admin/v3/test_endpoints_negative.py
@@ -33,7 +33,7 @@
         s_name = data_utils.rand_name('service-')
         s_type = data_utils.rand_name('type--')
         s_description = data_utils.rand_name('description-')
-        resp, cls.service_data = (
+        _, cls.service_data = (
             cls.service_client.create_service(s_name, s_type,
                                               description=s_description))
         cls.service_id = cls.service_data['id']
diff --git a/tempest/api/identity/admin/v3/test_groups.py b/tempest/api/identity/admin/v3/test_groups.py
index 056f713..4d2cc46 100644
--- a/tempest/api/identity/admin/v3/test_groups.py
+++ b/tempest/api/identity/admin/v3/test_groups.py
@@ -29,24 +29,21 @@
     def test_group_create_update_get(self):
         name = data_utils.rand_name('Group')
         description = data_utils.rand_name('Description')
-        resp, group = self.client.create_group(name,
-                                               description=description)
+        _, group = self.client.create_group(name,
+                                            description=description)
         self.addCleanup(self.client.delete_group, group['id'])
-        self.assertEqual(resp['status'], '201')
         self.assertEqual(group['name'], name)
         self.assertEqual(group['description'], description)
 
         new_name = data_utils.rand_name('UpdateGroup')
         new_desc = data_utils.rand_name('UpdateDescription')
-        resp, updated_group = self.client.update_group(group['id'],
-                                                       name=new_name,
-                                                       description=new_desc)
-        self.assertEqual(resp['status'], '200')
+        _, updated_group = self.client.update_group(group['id'],
+                                                    name=new_name,
+                                                    description=new_desc)
         self.assertEqual(updated_group['name'], new_name)
         self.assertEqual(updated_group['description'], new_desc)
 
-        resp, new_group = self.client.get_group(group['id'])
-        self.assertEqual(resp['status'], '200')
+        _, new_group = self.client.get_group(group['id'])
         self.assertEqual(group['id'], new_group['id'])
         self.assertEqual(new_name, new_group['name'])
         self.assertEqual(new_desc, new_group['description'])
@@ -54,33 +51,31 @@
     @test.attr(type='smoke')
     def test_group_users_add_list_delete(self):
         name = data_utils.rand_name('Group')
-        resp, group = self.client.create_group(name)
+        _, group = self.client.create_group(name)
         self.addCleanup(self.client.delete_group, group['id'])
         # add user into group
         users = []
         for i in range(3):
             name = data_utils.rand_name('User')
-            resp, user = self.client.create_user(name)
+            _, user = self.client.create_user(name)
             users.append(user)
             self.addCleanup(self.client.delete_user, user['id'])
             self.client.add_group_user(group['id'], user['id'])
 
         # list users in group
-        resp, group_users = self.client.list_group_users(group['id'])
-        self.assertEqual(resp['status'], '200')
+        _, group_users = self.client.list_group_users(group['id'])
         self.assertEqual(sorted(users), sorted(group_users))
         # delete user in group
         for user in users:
-            resp, body = self.client.delete_group_user(group['id'],
-                                                       user['id'])
-            self.assertEqual(resp['status'], '204')
-        resp, group_users = self.client.list_group_users(group['id'])
+            self.client.delete_group_user(group['id'],
+                                          user['id'])
+        _, group_users = self.client.list_group_users(group['id'])
         self.assertEqual(len(group_users), 0)
 
     @test.attr(type='smoke')
     def test_list_user_groups(self):
         # create a user
-        resp, user = self.client.create_user(
+        _, user = self.client.create_user(
             data_utils.rand_name('User-'),
             password=data_utils.rand_name('Pass-'))
         self.addCleanup(self.client.delete_user, user['id'])
@@ -88,13 +83,12 @@
         groups = []
         for i in range(2):
             name = data_utils.rand_name('Group-')
-            resp, group = self.client.create_group(name)
+            _, group = self.client.create_group(name)
             groups.append(group)
             self.addCleanup(self.client.delete_group, group['id'])
             self.client.add_group_user(group['id'], user['id'])
         # list groups which user belongs to
-        resp, user_groups = self.client.list_user_groups(user['id'])
-        self.assertEqual('200', resp['status'])
+        _, user_groups = self.client.list_user_groups(user['id'])
         self.assertEqual(sorted(groups), sorted(user_groups))
         self.assertEqual(2, len(user_groups))
 
diff --git a/tempest/api/identity/admin/v3/test_projects.py b/tempest/api/identity/admin/v3/test_projects.py
index 79717b1..77acd57 100644
--- a/tempest/api/identity/admin/v3/test_projects.py
+++ b/tempest/api/identity/admin/v3/test_projects.py
@@ -25,8 +25,7 @@
     _interface = 'json'
 
     def _delete_project(self, project_id):
-        resp, _ = self.client.delete_project(project_id)
-        self.assertEqual(resp['status'], '204')
+        self.client.delete_project(project_id)
         self.assertRaises(
             exceptions.NotFound, self.client.get_project, project_id)
 
@@ -34,14 +33,13 @@
     def test_project_list_delete(self):
         # Create several projects and delete them
         for _ in moves.xrange(3):
-            resp, project = self.client.create_project(
+            _, project = self.client.create_project(
                 data_utils.rand_name('project-new'))
             self.addCleanup(self._delete_project, project['id'])
 
-        resp, list_projects = self.client.list_projects()
-        self.assertEqual(resp['status'], '200')
+        _, list_projects = self.client.list_projects()
 
-        resp, get_project = self.client.get_project(project['id'])
+        _, get_project = self.client.get_project(project['id'])
         self.assertIn(get_project, list_projects)
 
     @test.attr(type='gate')
@@ -49,16 +47,14 @@
         # Create project with a description
         project_name = data_utils.rand_name('project-')
         project_desc = data_utils.rand_name('desc-')
-        resp, project = self.client.create_project(
+        _, project = self.client.create_project(
             project_name, description=project_desc)
         self.data.projects.append(project)
-        st1 = resp['status']
         project_id = project['id']
         desc1 = project['description']
-        self.assertEqual(st1, '201')
         self.assertEqual(desc1, project_desc, 'Description should have '
                          'been sent in response for create')
-        resp, body = self.client.get_project(project_id)
+        _, body = self.client.get_project(project_id)
         desc2 = body['description']
         self.assertEqual(desc2, project_desc, 'Description does not appear'
                          'to be set')
@@ -67,15 +63,13 @@
     def test_project_create_enabled(self):
         # Create a project that is enabled
         project_name = data_utils.rand_name('project-')
-        resp, project = self.client.create_project(
+        _, project = self.client.create_project(
             project_name, enabled=True)
         self.data.projects.append(project)
         project_id = project['id']
-        st1 = resp['status']
         en1 = project['enabled']
-        self.assertEqual(st1, '201')
         self.assertTrue(en1, 'Enable should be True in response')
-        resp, body = self.client.get_project(project_id)
+        _, body = self.client.get_project(project_id)
         en2 = body['enabled']
         self.assertTrue(en2, 'Enable should be True in lookup')
 
@@ -83,15 +77,13 @@
     def test_project_create_not_enabled(self):
         # Create a project that is not enabled
         project_name = data_utils.rand_name('project-')
-        resp, project = self.client.create_project(
+        _, project = self.client.create_project(
             project_name, enabled=False)
         self.data.projects.append(project)
-        st1 = resp['status']
         en1 = project['enabled']
-        self.assertEqual(st1, '201')
         self.assertEqual('false', str(en1).lower(),
                          'Enable should be False in response')
-        resp, body = self.client.get_project(project['id'])
+        _, body = self.client.get_project(project['id'])
         en2 = body['enabled']
         self.assertEqual('false', str(en2).lower(),
                          'Enable should be False in lookup')
@@ -100,19 +92,17 @@
     def test_project_update_name(self):
         # Update name attribute of a project
         p_name1 = data_utils.rand_name('project-')
-        resp, project = self.client.create_project(p_name1)
+        _, project = self.client.create_project(p_name1)
         self.data.projects.append(project)
 
         resp1_name = project['name']
 
         p_name2 = data_utils.rand_name('project2-')
-        resp, body = self.client.update_project(project['id'], name=p_name2)
-        st2 = resp['status']
+        _, body = self.client.update_project(project['id'], name=p_name2)
         resp2_name = body['name']
-        self.assertEqual(st2, '200')
         self.assertNotEqual(resp1_name, resp2_name)
 
-        resp, body = self.client.get_project(project['id'])
+        _, body = self.client.get_project(project['id'])
         resp3_name = body['name']
 
         self.assertNotEqual(resp1_name, resp3_name)
@@ -124,20 +114,18 @@
         # Update description attribute of a project
         p_name = data_utils.rand_name('project-')
         p_desc = data_utils.rand_name('desc-')
-        resp, project = self.client.create_project(
+        _, project = self.client.create_project(
             p_name, description=p_desc)
         self.data.projects.append(project)
         resp1_desc = project['description']
 
         p_desc2 = data_utils.rand_name('desc2-')
-        resp, body = self.client.update_project(
+        _, body = self.client.update_project(
             project['id'], description=p_desc2)
-        st2 = resp['status']
         resp2_desc = body['description']
-        self.assertEqual(st2, '200')
         self.assertNotEqual(resp1_desc, resp2_desc)
 
-        resp, body = self.client.get_project(project['id'])
+        _, body = self.client.get_project(project['id'])
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
@@ -149,20 +137,18 @@
         # Update the enabled attribute of a project
         p_name = data_utils.rand_name('project-')
         p_en = False
-        resp, project = self.client.create_project(p_name, enabled=p_en)
+        _, project = self.client.create_project(p_name, enabled=p_en)
         self.data.projects.append(project)
 
         resp1_en = project['enabled']
 
         p_en2 = True
-        resp, body = self.client.update_project(
+        _, body = self.client.update_project(
             project['id'], enabled=p_en2)
-        st2 = resp['status']
         resp2_en = body['enabled']
-        self.assertEqual(st2, '200')
         self.assertNotEqual(resp1_en, resp2_en)
 
-        resp, body = self.client.get_project(project['id'])
+        _, body = self.client.get_project(project['id'])
         resp3_en = body['enabled']
 
         self.assertNotEqual(resp1_en, resp3_en)
@@ -174,7 +160,7 @@
         # Associate a user to a project
         # Create a Project
         p_name = data_utils.rand_name('project-')
-        resp, project = self.client.create_project(p_name)
+        _, project = self.client.create_project(p_name)
         self.data.projects.append(project)
 
         # Create a User
@@ -182,15 +168,14 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_name('pass-')
-        resp, user = self.client.create_user(
+        _, user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, project_id=project['id'])
-        self.assertEqual(resp['status'], '201')
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
 
         # Get User To validate the user details
-        resp, new_user_get = self.client.get_user(user['id'])
+        _, new_user_get = self.client.get_user(user['id'])
         # Assert response body of GET
         self.assertEqual(u_name, new_user_get['name'])
         self.assertEqual(u_desc, new_user_get['description'])
diff --git a/tempest/api/identity/admin/v3/test_projects_negative.py b/tempest/api/identity/admin/v3/test_projects_negative.py
index 6b60d04..9e8f613 100644
--- a/tempest/api/identity/admin/v3/test_projects_negative.py
+++ b/tempest/api/identity/admin/v3/test_projects_negative.py
@@ -32,7 +32,7 @@
     def test_project_create_duplicate(self):
         # Project names should be unique
         project_name = data_utils.rand_name('project-dup-')
-        resp, project = self.client.create_project(project_name)
+        _, project = self.client.create_project(project_name)
         self.data.projects.append(project)
 
         self.assertRaises(
@@ -63,7 +63,7 @@
     def test_project_delete_by_unauthorized_user(self):
         # Non-admin user should not be able to delete a project
         project_name = data_utils.rand_name('project-')
-        resp, project = self.client.create_project(project_name)
+        _, project = self.client.create_project(project_name)
         self.data.projects.append(project)
         self.assertRaises(
             exceptions.Unauthorized, self.non_admin_client.delete_project,
diff --git a/tempest/api/identity/admin/v3/test_roles.py b/tempest/api/identity/admin/v3/test_roles.py
index b680b64..2e732fe 100644
--- a/tempest/api/identity/admin/v3/test_roles.py
+++ b/tempest/api/identity/admin/v3/test_roles.py
@@ -34,126 +34,108 @@
         u_desc = '%s description' % u_name
         u_email = '%s@testmail.tm' % u_name
         cls.u_password = data_utils.rand_name('pass-')
-        resp = [None] * 5
-        resp[0], cls.domain = cls.client.create_domain(
+        _, cls.domain = cls.client.create_domain(
             data_utils.rand_name('domain-'),
             description=data_utils.rand_name('domain-desc-'))
-        resp[1], cls.project = cls.client.create_project(
+        _, cls.project = cls.client.create_project(
             data_utils.rand_name('project-'),
             description=data_utils.rand_name('project-desc-'),
             domain_id=cls.domain['id'])
-        resp[2], cls.group_body = cls.client.create_group(
+        _, cls.group_body = cls.client.create_group(
             data_utils.rand_name('Group-'), project_id=cls.project['id'],
             domain_id=cls.domain['id'])
-        resp[3], cls.user_body = cls.client.create_user(
+        _, cls.user_body = cls.client.create_user(
             u_name, description=u_desc, password=cls.u_password,
             email=u_email, project_id=cls.project['id'],
             domain_id=cls.domain['id'])
-        resp[4], cls.role = cls.client.create_role(
+        _, cls.role = cls.client.create_role(
             data_utils.rand_name('Role-'))
-        for r in resp:
-            assert r['status'] == '201', (
-                "Expected 201, but got: %s" % r['status'])
 
     @classmethod
     def tearDownClass(cls):
-        resp = [None] * 5
-        resp[0], _ = cls.client.delete_role(cls.role['id'])
-        resp[1], _ = cls.client.delete_group(cls.group_body['id'])
-        resp[2], _ = cls.client.delete_user(cls.user_body['id'])
-        resp[3], _ = cls.client.delete_project(cls.project['id'])
+        cls.client.delete_role(cls.role['id'])
+        cls.client.delete_group(cls.group_body['id'])
+        cls.client.delete_user(cls.user_body['id'])
+        cls.client.delete_project(cls.project['id'])
         # NOTE(harika-vakadi): It is necessary to disable the domain
         # before deleting,or else it would result in unauthorized error
         cls.client.update_domain(cls.domain['id'], enabled=False)
-        resp[4], _ = cls.client.delete_domain(cls.domain['id'])
-        for r in resp:
-            assert r['status'] == '204', (
-                "Expected 204, but got: %s" % r['status'])
+        cls.client.delete_domain(cls.domain['id'])
         super(RolesV3TestJSON, cls).tearDownClass()
 
-    def _list_assertions(self, resp, body, fetched_role_ids, role_id):
-        self.assertEqual(resp['status'], '200')
+    def _list_assertions(self, body, fetched_role_ids, role_id):
         self.assertEqual(len(body), 1)
         self.assertIn(role_id, fetched_role_ids)
 
     @test.attr(type='smoke')
     def test_role_create_update_get_list(self):
         r_name = data_utils.rand_name('Role-')
-        resp, role = self.client.create_role(r_name)
+        _, role = self.client.create_role(r_name)
         self.addCleanup(self.client.delete_role, role['id'])
-        self.assertEqual(resp['status'], '201')
         self.assertIn('name', role)
         self.assertEqual(role['name'], r_name)
 
         new_name = data_utils.rand_name('NewRole-')
-        resp, updated_role = self.client.update_role(new_name, role['id'])
-        self.assertEqual(resp['status'], '200')
+        _, updated_role = self.client.update_role(new_name, role['id'])
         self.assertIn('name', updated_role)
         self.assertIn('id', updated_role)
         self.assertIn('links', updated_role)
         self.assertNotEqual(r_name, updated_role['name'])
 
-        resp, new_role = self.client.get_role(role['id'])
-        self.assertEqual(resp['status'], '200')
+        _, new_role = self.client.get_role(role['id'])
         self.assertEqual(new_name, new_role['name'])
         self.assertEqual(updated_role['id'], new_role['id'])
 
-        resp, roles = self.client.list_roles()
-        self.assertEqual(resp['status'], '200')
+        _, roles = self.client.list_roles()
         self.assertIn(role['id'], [r['id'] for r in roles])
 
     @test.attr(type='smoke')
     def test_grant_list_revoke_role_to_user_on_project(self):
-        resp, _ = self.client.assign_user_role_on_project(
+        self.client.assign_user_role_on_project(
             self.project['id'], self.user_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
-        resp, roles = self.client.list_user_roles_on_project(
+        _, roles = self.client.list_user_roles_on_project(
             self.project['id'], self.user_body['id'])
 
         for i in roles:
             self.fetched_role_ids.append(i['id'])
 
-        self._list_assertions(resp, roles, self.fetched_role_ids,
+        self._list_assertions(roles, self.fetched_role_ids,
                               self.role['id'])
 
-        resp, _ = self.client.revoke_role_from_user_on_project(
+        self.client.revoke_role_from_user_on_project(
             self.project['id'], self.user_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
     @test.attr(type='smoke')
     def test_grant_list_revoke_role_to_user_on_domain(self):
-        resp, _ = self.client.assign_user_role_on_domain(
+        self.client.assign_user_role_on_domain(
             self.domain['id'], self.user_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
-        resp, roles = self.client.list_user_roles_on_domain(
+        _, roles = self.client.list_user_roles_on_domain(
             self.domain['id'], self.user_body['id'])
 
         for i in roles:
             self.fetched_role_ids.append(i['id'])
 
-        self._list_assertions(resp, roles, self.fetched_role_ids,
+        self._list_assertions(roles, self.fetched_role_ids,
                               self.role['id'])
 
-        resp, _ = self.client.revoke_role_from_user_on_domain(
+        self.client.revoke_role_from_user_on_domain(
             self.domain['id'], self.user_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
     @test.attr(type='smoke')
     def test_grant_list_revoke_role_to_group_on_project(self):
         # Grant role to group on project
-        resp, _ = self.client.assign_group_role_on_project(
+        self.client.assign_group_role_on_project(
             self.project['id'], self.group_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
         # List group roles on project
-        resp, roles = self.client.list_group_roles_on_project(
+        _, roles = self.client.list_group_roles_on_project(
             self.project['id'], self.group_body['id'])
 
         for i in roles:
             self.fetched_role_ids.append(i['id'])
 
-        self._list_assertions(resp, roles, self.fetched_role_ids,
+        self._list_assertions(roles, self.fetched_role_ids,
                               self.role['id'])
         # Add user to group, and insure user has role on project
         self.client.add_group_user(self.group_body['id'], self.user_body['id'])
@@ -167,34 +149,30 @@
         self.assertEqual(len(roles), 1)
         self.assertEqual(roles[0]['id'], self.role['id'])
         # Revoke role to group on project
-        resp, _ = self.client.revoke_role_from_group_on_project(
+        self.client.revoke_role_from_group_on_project(
             self.project['id'], self.group_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
     @test.attr(type='smoke')
     def test_grant_list_revoke_role_to_group_on_domain(self):
-        resp, _ = self.client.assign_group_role_on_domain(
+        self.client.assign_group_role_on_domain(
             self.domain['id'], self.group_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
-        resp, roles = self.client.list_group_roles_on_domain(
+        _, roles = self.client.list_group_roles_on_domain(
             self.domain['id'], self.group_body['id'])
 
         for i in roles:
             self.fetched_role_ids.append(i['id'])
 
-        self._list_assertions(resp, roles, self.fetched_role_ids,
+        self._list_assertions(roles, self.fetched_role_ids,
                               self.role['id'])
 
-        resp, _ = self.client.revoke_role_from_group_on_domain(
+        self.client.revoke_role_from_group_on_domain(
             self.domain['id'], self.group_body['id'], self.role['id'])
-        self.assertEqual(resp['status'], '204')
 
     @test.attr(type='gate')
     def test_list_roles(self):
         # Return a list of all roles
-        resp, body = self.client.list_roles()
-        self.assertEqual(200, resp.status)
+        _, body = self.client.list_roles()
         found = [role for role in body if role in self.data.v3_roles]
         self.assertEqual(len(found), len(self.data.v3_roles))
 
diff --git a/tempest/api/identity/admin/v3/test_services.py b/tempest/api/identity/admin/v3/test_services.py
index 36e5327..f6078da 100644
--- a/tempest/api/identity/admin/v3/test_services.py
+++ b/tempest/api/identity/admin/v3/test_services.py
@@ -28,9 +28,8 @@
         name = data_utils.rand_name('service-')
         serv_type = data_utils.rand_name('type--')
         desc = data_utils.rand_name('description-')
-        resp, body = self.service_client.create_service(name, serv_type,
-                                                        description=desc)
-        self.assertEqual('201', resp['status'])
+        _, body = self.service_client.create_service(name, serv_type,
+                                                     description=desc)
         # Deleting the service created in this method
         self.addCleanup(self.service_client.delete_service, body['id'])
 
@@ -38,14 +37,13 @@
         resp1_desc = body['description']
 
         s_desc2 = data_utils.rand_name('desc2-')
-        resp, body = self.service_client.update_service(
+        _, body = self.service_client.update_service(
             s_id, description=s_desc2)
         resp2_desc = body['description']
-        self.assertEqual('200', resp['status'])
         self.assertNotEqual(resp1_desc, resp2_desc)
 
         # Get service
-        resp, body = self.service_client.get_service(s_id)
+        _, body = self.service_client.get_service(s_id)
         resp3_desc = body['description']
 
         self.assertNotEqual(resp1_desc, resp3_desc)
diff --git a/tempest/api/identity/admin/v3/test_tokens.py b/tempest/api/identity/admin/v3/test_tokens.py
index fe3eb03..e61b738 100644
--- a/tempest/api/identity/admin/v3/test_tokens.py
+++ b/tempest/api/identity/admin/v3/test_tokens.py
@@ -30,23 +30,21 @@
         u_desc = '%s-description' % u_name
         u_email = '%s@testmail.tm' % u_name
         u_password = data_utils.rand_name('pass-')
-        resp, user = self.client.create_user(
+        _, user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email)
-        self.assertEqual(201, resp.status)
         self.addCleanup(self.client.delete_user, user['id'])
         # Perform Authentication
         resp, body = self.token.auth(user['id'], u_password)
         self.assertEqual(201, resp.status)
         subject_token = resp['x-subject-token']
         # Perform GET Token
-        resp, token_details = self.client.get_token(subject_token)
-        self.assertEqual(200, resp.status)
+        _, token_details = self.client.get_token(subject_token)
         self.assertEqual(resp['x-subject-token'], subject_token)
         self.assertEqual(token_details['user']['id'], user['id'])
         self.assertEqual(token_details['user']['name'], u_name)
         # Perform Delete Token
-        resp, _ = self.client.delete_token(subject_token)
+        self.client.delete_token(subject_token)
         self.assertRaises(exceptions.NotFound, self.client.get_token,
                           subject_token)
 
@@ -63,35 +61,29 @@
         # Create a user.
         user_name = data_utils.rand_name(name='user-')
         user_password = data_utils.rand_name(name='pass-')
-        resp, user = self.client.create_user(user_name, password=user_password)
-        self.assertEqual(201, resp.status)
+        _, user = self.client.create_user(user_name, password=user_password)
         self.addCleanup(self.client.delete_user, user['id'])
 
         # Create a couple projects
         project1_name = data_utils.rand_name(name='project-')
-        resp, project1 = self.client.create_project(project1_name)
-        self.assertEqual(201, resp.status)
+        _, project1 = self.client.create_project(project1_name)
         self.addCleanup(self.client.delete_project, project1['id'])
 
         project2_name = data_utils.rand_name(name='project-')
-        resp, project2 = self.client.create_project(project2_name)
-        self.assertEqual(201, resp.status)
+        _, project2 = self.client.create_project(project2_name)
         self.addCleanup(self.client.delete_project, project2['id'])
 
         # Create a role
         role_name = data_utils.rand_name(name='role-')
-        resp, role = self.client.create_role(role_name)
-        self.assertEqual(201, resp.status)
+        _, role = self.client.create_role(role_name)
         self.addCleanup(self.client.delete_role, role['id'])
 
         # Grant the user the role on both projects.
-        resp, _ = self.client.assign_user_role(project1['id'], user['id'],
-                                               role['id'])
-        self.assertEqual(204, resp.status)
+        self.client.assign_user_role(project1['id'], user['id'],
+                                     role['id'])
 
-        resp, _ = self.client.assign_user_role(project2['id'], user['id'],
-                                               role['id'])
-        self.assertEqual(204, resp.status)
+        self.client.assign_user_role(project2['id'], user['id'],
+                                     role['id'])
 
         # Get an unscoped token.
         resp, token_auth = self.token.auth(user=user['id'],
@@ -145,8 +137,7 @@
         self.assertEqual(role['name'], token_auth['token']['roles'][0]['name'])
 
         # Revoke the unscoped token.
-        resp, _ = self.client.delete_token(token1_id)
-        self.assertEqual(204, resp.status)
+        self.client.delete_token(token1_id)
 
         # Now get another scoped token using the unscoped token.
         resp, token_auth = self.token.auth(token=token_id,
diff --git a/tempest/api/identity/admin/v3/test_trusts.py b/tempest/api/identity/admin/v3/test_trusts.py
index ac5efa1..fed5171 100644
--- a/tempest/api/identity/admin/v3/test_trusts.py
+++ b/tempest/api/identity/admin/v3/test_trusts.py
@@ -54,25 +54,22 @@
         u_desc = self.trustor_username + 'description'
         u_email = self.trustor_username + '@testmail.xx'
         self.trustor_password = data_utils.rand_name('pass-')
-        resp, user = self.client.create_user(
+        _, user = self.client.create_user(
             self.trustor_username,
             description=u_desc,
             password=self.trustor_password,
             email=u_email,
             project_id=self.trustor_project_id)
-        self.assertEqual(resp['status'], '201')
         self.trustor_user_id = user['id']
 
         # And two roles, one we'll delegate and one we won't
         self.delegated_role = data_utils.rand_name('DelegatedRole-')
         self.not_delegated_role = data_utils.rand_name('NotDelegatedRole-')
 
-        resp, role = self.client.create_role(self.delegated_role)
-        self.assertEqual(resp['status'], '201')
+        _, role = self.client.create_role(self.delegated_role)
         self.delegated_role_id = role['id']
 
-        resp, role = self.client.create_role(self.not_delegated_role)
-        self.assertEqual(resp['status'], '201')
+        _, role = self.client.create_role(self.not_delegated_role)
         self.not_delegated_role_id = role['id']
 
         # Assign roles to trustor
@@ -108,14 +105,13 @@
 
     def create_trust(self, impersonate=True, expires=None):
 
-        resp, trust_create = self.trustor_client.create_trust(
+        _, trust_create = self.trustor_client.create_trust(
             trustor_user_id=self.trustor_user_id,
             trustee_user_id=self.trustee_user_id,
             project_id=self.trustor_project_id,
             role_names=[self.delegated_role],
             impersonation=impersonate,
             expires_at=expires)
-        self.assertEqual('201', resp['status'])
         self.trust_id = trust_create['id']
         return trust_create
 
@@ -141,8 +137,7 @@
             self.assertEqual(1, len(trust['roles']))
 
     def get_trust(self):
-        resp, trust_get = self.trustor_client.get_trust(self.trust_id)
-        self.assertEqual('200', resp['status'])
+        _, trust_get = self.trustor_client.get_trust(self.trust_id)
         return trust_get
 
     def validate_role(self, role):
@@ -158,20 +153,23 @@
     @test.skip_because(bug='1334368')
     def check_trust_roles(self):
         # Check we find the delegated role
-        resp, roles_get = self.trustor_client.get_trust_roles(
+        _, roles_get = self.trustor_client.get_trust_roles(
             self.trust_id)
-        self.assertEqual('200', resp['status'])
         self.assertEqual(1, len(roles_get))
         self.validate_role(roles_get[0])
 
-        resp, role_get = self.trustor_client.get_trust_role(
+        _, role_get = self.trustor_client.get_trust_role(
             self.trust_id, self.delegated_role_id)
-        self.assertEqual('200', resp['status'])
         self.validate_role(role_get)
 
-        resp, role_get = self.trustor_client.check_trust_role(
+        _, role_get = self.trustor_client.check_trust_role(
             self.trust_id, self.delegated_role_id)
-        self.assertEqual('200', resp['status'])
+        # This tempest two-step change conflicted with the change
+        # moving response checking to the client. This test should be
+        # re-enabled by removing the following assert and changing
+        # the response code in tempest/services/identity/v3/json/
+        # identity_client.py in the check_trust_role_method.
+        # self.assertEqual('200', resp['status'])
 
         # And that we don't find not_delegated_role
         self.assertRaises(exceptions.NotFound,
@@ -185,8 +183,7 @@
                           self.not_delegated_role_id)
 
     def delete_trust(self):
-        resp, trust_delete = self.trustor_client.delete_trust(self.trust_id)
-        self.assertEqual('204', resp['status'])
+        self.trustor_client.delete_trust(self.trust_id)
         self.assertRaises(exceptions.NotFound,
                           self.trustor_client.get_trust,
                           self.trust_id)
@@ -254,17 +251,15 @@
     @test.attr(type='smoke')
     def test_get_trusts_query(self):
         self.create_trust()
-        resp, trusts_get = self.trustor_client.get_trusts(
+        _, trusts_get = self.trustor_client.get_trusts(
             trustor_user_id=self.trustor_user_id)
-        self.assertEqual('200', resp['status'])
         self.assertEqual(1, len(trusts_get))
         self.validate_trust(trusts_get[0], summary=True)
 
     @test.attr(type='smoke')
     def test_get_trusts_all(self):
         self.create_trust()
-        resp, trusts_get = self.client.get_trusts()
-        self.assertEqual('200', resp['status'])
+        _, trusts_get = self.client.get_trusts()
         trusts = [t for t in trusts_get
                   if t['id'] == self.trust_id]
         self.assertEqual(1, len(trusts))
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 7316c7f..558575e 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -29,13 +29,13 @@
         u_desc = u_name + 'description'
         u_email = u_name + '@testmail.tm'
         u_password = data_utils.rand_name('pass-')
-        resp, user = self.client.create_user(
+        _, user = self.client.create_user(
             u_name, description=u_desc, password=u_password,
             email=u_email, enabled=False)
         # Delete the User at the end of this method
         self.addCleanup(self.client.delete_user, user['id'])
         # Creating second project for updation
-        resp, project = self.client.create_project(
+        _, project = self.client.create_project(
             data_utils.rand_name('project-'),
             description=data_utils.rand_name('project-desc-'))
         # Delete the Project at the end of this method
@@ -44,12 +44,10 @@
         u_name2 = data_utils.rand_name('user2-')
         u_email2 = u_name2 + '@testmail.tm'
         u_description2 = u_name2 + ' description'
-        resp, update_user = self.client.update_user(
+        _, update_user = self.client.update_user(
             user['id'], name=u_name2, description=u_description2,
             project_id=project['id'],
             email=u_email2, enabled=False)
-        # Assert response body of update user.
-        self.assertEqual(200, resp.status)
         self.assertEqual(u_name2, update_user['name'])
         self.assertEqual(u_description2, update_user['description'])
         self.assertEqual(project['id'],
@@ -57,7 +55,7 @@
         self.assertEqual(u_email2, update_user['email'])
         self.assertEqual('false', str(update_user['enabled']).lower())
         # GET by id after updation
-        resp, new_user_get = self.client.get_user(user['id'])
+        _, new_user_get = self.client.get_user(user['id'])
         # Assert response body of GET after updation
         self.assertEqual(u_name2, new_user_get['name'])
         self.assertEqual(u_description2, new_user_get['description'])
@@ -107,8 +105,7 @@
                                          user['id'],
                                          role['id'])
             assigned_project_ids.append(project['id'])
-        resp, body = self.client.list_user_projects(user['id'])
-        self.assertEqual(200, resp.status)
+        _, body = self.client.list_user_projects(user['id'])
         for i in body:
             fetched_project_ids.append(i['id'])
         # verifying the project ids in list
@@ -124,7 +121,7 @@
     def test_get_user(self):
         # Get a user detail
         self.data.setup_test_v3_user()
-        resp, user = self.client.get_user(self.data.v3_user['id'])
+        _, user = self.client.get_user(self.data.v3_user['id'])
         self.assertEqual(self.data.v3_user['id'], user['id'])
 
 
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index 697057f..0991576 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -136,17 +136,17 @@
             self.test_user = data_utils.rand_name('test_user_')
             self.test_password = data_utils.rand_name('pass_')
             self.test_email = self.test_user + '@testmail.tm'
-            resp, self.user = self.client.create_user(self.test_user,
-                                                      self.test_password,
-                                                      self.tenant['id'],
-                                                      self.test_email)
+            _, self.user = self.client.create_user(self.test_user,
+                                                   self.test_password,
+                                                   self.tenant['id'],
+                                                   self.test_email)
             self.users.append(self.user)
 
         def setup_test_tenant(self):
             """Set up a test tenant."""
             self.test_tenant = data_utils.rand_name('test_tenant_')
             self.test_description = data_utils.rand_name('desc_')
-            resp, self.tenant = self.client.create_tenant(
+            _, self.tenant = self.client.create_tenant(
                 name=self.test_tenant,
                 description=self.test_description)
             self.tenants.append(self.tenant)
@@ -154,7 +154,7 @@
         def setup_test_role(self):
             """Set up a test role."""
             self.test_role = data_utils.rand_name('role')
-            resp, self.role = self.client.create_role(self.test_role)
+            _, self.role = self.client.create_role(self.test_role)
             self.roles.append(self.role)
 
         def setup_test_v3_user(self):
@@ -163,7 +163,7 @@
             self.test_user = data_utils.rand_name('test_user_')
             self.test_password = data_utils.rand_name('pass_')
             self.test_email = self.test_user + '@testmail.tm'
-            resp, self.v3_user = self.client.create_user(
+            _, self.v3_user = self.client.create_user(
                 self.test_user,
                 password=self.test_password,
                 project_id=self.project['id'],
@@ -174,7 +174,7 @@
             """Set up a test project."""
             self.test_project = data_utils.rand_name('test_project_')
             self.test_description = data_utils.rand_name('desc_')
-            resp, self.project = self.client.create_project(
+            _, self.project = self.client.create_project(
                 name=self.test_project,
                 description=self.test_description)
             self.projects.append(self.project)
@@ -182,7 +182,7 @@
         def setup_test_v3_role(self):
             """Set up a test v3 role."""
             self.test_role = data_utils.rand_name('role')
-            resp, self.v3_role = self.client.create_role(self.test_role)
+            _, self.v3_role = self.client.create_role(self.test_role)
             self.v3_roles.append(self.v3_role)
 
         def teardown_all(self):
diff --git a/tempest/api/identity/test_extension.py b/tempest/api/identity/test_extension.py
index 67f20f4..a06ee53 100644
--- a/tempest/api/identity/test_extension.py
+++ b/tempest/api/identity/test_extension.py
@@ -23,8 +23,7 @@
     @test.attr(type='gate')
     def test_list_extensions(self):
         # List all the extensions
-        resp, body = self.non_admin_client.list_extensions()
-        self.assertEqual(200, resp.status)
+        _, body = self.non_admin_client.list_extensions()
         self.assertNotEmpty(body)
         keys = ['name', 'updated', 'alias', 'links',
                 'namespace', 'description']
diff --git a/tempest/common/isolated_creds.py b/tempest/common/isolated_creds.py
index 8166de5..208f42f 100644
--- a/tempest/common/isolated_creds.py
+++ b/tempest/common/isolated_creds.py
@@ -57,7 +57,7 @@
 
     def _create_tenant(self, name, description):
         if self.tempest_client:
-            resp, tenant = self.identity_admin_client.create_tenant(
+            _, tenant = self.identity_admin_client.create_tenant(
                 name=name, description=description)
         else:
             tenant = self.identity_admin_client.tenants.create(
@@ -67,7 +67,7 @@
 
     def _get_tenant_by_name(self, name):
         if self.tempest_client:
-            resp, tenant = self.identity_admin_client.get_tenant_by_name(name)
+            _, tenant = self.identity_admin_client.get_tenant_by_name(name)
         else:
             tenants = self.identity_admin_client.tenants.list()
             for ten in tenants:
@@ -80,10 +80,10 @@
 
     def _create_user(self, username, password, tenant, email):
         if self.tempest_client:
-            resp, user = self.identity_admin_client.create_user(username,
-                                                                password,
-                                                                tenant['id'],
-                                                                email)
+            _, user = self.identity_admin_client.create_user(username,
+                                                             password,
+                                                             tenant['id'],
+                                                             email)
         else:
             user = self.identity_admin_client.users.create(username, password,
                                                            email,
@@ -92,7 +92,7 @@
 
     def _get_user(self, tenant, username):
         if self.tempest_client:
-            resp, user = self.identity_admin_client.get_user_by_username(
+            _, user = self.identity_admin_client.get_user_by_username(
                 tenant['id'],
                 username)
         else:
@@ -101,7 +101,7 @@
 
     def _list_roles(self):
         if self.tempest_client:
-            resp, roles = self.identity_admin_client.list_roles()
+            _, roles = self.identity_admin_client.list_roles()
         else:
             roles = self.identity_admin_client.roles.list()
         return roles
diff --git a/tempest/services/identity/json/identity_client.py b/tempest/services/identity/json/identity_client.py
index b0cab8e..ac65f81 100644
--- a/tempest/services/identity/json/identity_client.py
+++ b/tempest/services/identity/json/identity_client.py
@@ -37,8 +37,12 @@
         """
         if hasattr(self, '_has_admin_extensions'):
             return self._has_admin_extensions
-        resp, body = self.list_roles()
-        self._has_admin_extensions = ('status' in resp and resp.status != 503)
+        # Try something that requires admin
+        try:
+            self.list_roles()
+            self._has_admin_extensions = True
+        except Exception:
+            self._has_admin_extensions = False
         return self._has_admin_extensions
 
     def create_role(self, name):
@@ -48,11 +52,13 @@
         }
         post_body = json.dumps({'role': post_body})
         resp, body = self.post('OS-KSADM/roles', post_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_role(self, role_id):
         """Get a role by its id."""
         resp, body = self.get('OS-KSADM/roles/%s' % role_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['role']
 
@@ -70,51 +76,63 @@
         }
         post_body = json.dumps({'tenant': post_body})
         resp, body = self.post('tenants', post_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def delete_role(self, role_id):
         """Delete a role."""
-        return self.delete('OS-KSADM/roles/%s' % str(role_id))
+        resp, body = self.delete('OS-KSADM/roles/%s' % str(role_id))
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def list_user_roles(self, tenant_id, user_id):
         """Returns a list of roles assigned to a user for a tenant."""
         url = '/tenants/%s/users/%s/roles' % (tenant_id, user_id)
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def assign_user_role(self, tenant_id, user_id, role_id):
         """Add roles to a user on a tenant."""
         resp, body = self.put('/tenants/%s/users/%s/roles/OS-KSADM/%s' %
                               (tenant_id, user_id, role_id), "")
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def remove_user_role(self, tenant_id, user_id, role_id):
         """Removes a role assignment for a user on a tenant."""
-        return self.delete('/tenants/%s/users/%s/roles/OS-KSADM/%s' %
-                           (tenant_id, user_id, role_id))
+        resp, body = self.delete('/tenants/%s/users/%s/roles/OS-KSADM/%s' %
+                                 (tenant_id, user_id, role_id))
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def delete_tenant(self, tenant_id):
         """Delete a tenant."""
-        return self.delete('tenants/%s' % str(tenant_id))
+        resp, body = self.delete('tenants/%s' % str(tenant_id))
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def get_tenant(self, tenant_id):
         """Get tenant details."""
         resp, body = self.get('tenants/%s' % str(tenant_id))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_roles(self):
         """Returns roles."""
         resp, body = self.get('OS-KSADM/roles')
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_tenants(self):
         """Returns tenants."""
         resp, body = self.get('tenants')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['tenants']
 
     def get_tenant_by_name(self, tenant_name):
-        resp, tenants = self.list_tenants()
+        _, tenants = self.list_tenants()
         for tenant in tenants:
             if tenant['name'] == tenant_name:
                 return tenant
@@ -122,7 +140,7 @@
 
     def update_tenant(self, tenant_id, **kwargs):
         """Updates a tenant."""
-        resp, body = self.get_tenant(tenant_id)
+        _, body = self.get_tenant(tenant_id)
         name = kwargs.get('name', body['name'])
         desc = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
@@ -134,6 +152,7 @@
         }
         post_body = json.dumps({'tenant': post_body})
         resp, body = self.post('tenants/%s' % tenant_id, post_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def create_user(self, name, password, tenant_id, email, **kwargs):
@@ -149,26 +168,32 @@
             post_body['enabled'] = kwargs.get('enabled')
         post_body = json.dumps({'user': post_body})
         resp, body = self.post('users', post_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def update_user(self, user_id, **kwargs):
         """Updates a user."""
         put_body = json.dumps({'user': kwargs})
         resp, body = self.put('users/%s' % user_id, put_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_user(self, user_id):
         """GET a user."""
         resp, body = self.get("users/%s" % user_id)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def delete_user(self, user_id):
         """Delete a user."""
-        return self.delete("users/%s" % user_id)
+        resp, body = self.delete("users/%s" % user_id)
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def get_users(self):
         """Get the list of users."""
         resp, body = self.get("users")
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def enable_disable_user(self, user_id, enabled):
@@ -178,24 +203,29 @@
         }
         put_body = json.dumps({'user': put_body})
         resp, body = self.put('users/%s/enabled' % user_id, put_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_token(self, token_id):
         """Get token details."""
         resp, body = self.get("tokens/%s" % token_id)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def delete_token(self, token_id):
         """Delete a token."""
-        return self.delete("tokens/%s" % token_id)
+        resp, body = self.delete("tokens/%s" % token_id)
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def list_users_for_tenant(self, tenant_id):
         """List users for a Tenant."""
         resp, body = self.get('/tenants/%s/users' % tenant_id)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_user_by_username(self, tenant_id, username):
-        resp, users = self.list_users_for_tenant(tenant_id)
+        _, users = self.list_users_for_tenant(tenant_id)
         for user in users:
             if user['name'] == username:
                 return user
@@ -210,23 +240,28 @@
         }
         post_body = json.dumps({'OS-KSADM:service': post_body})
         resp, body = self.post('/OS-KSADM/services', post_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_service(self, service_id):
         """Get Service."""
         url = '/OS-KSADM/services/%s' % service_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_services(self):
         """List Service - Returns Services."""
         resp, body = self.get('/OS-KSADM/services')
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def delete_service(self, service_id):
         """Delete Service."""
         url = '/OS-KSADM/services/%s' % service_id
-        return self.delete(url)
+        resp, body = self.delete(url)
+        self.expected_success(204, resp.status)
+        return resp, body
 
     def update_user_password(self, user_id, new_pass):
         """Update User Password."""
@@ -236,11 +271,13 @@
         }
         put_body = json.dumps({'user': put_body})
         resp, body = self.put('users/%s/OS-KSADM/password' % user_id, put_body)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_extensions(self):
         """List all the extensions."""
         resp, body = self.get('/extensions')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['extensions']['values']
 
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 6829333..8c72dfa 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -49,12 +49,13 @@
         }
         post_body = json.dumps({'user': post_body})
         resp, body = self.post('users', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['user']
 
     def update_user(self, user_id, name, **kwargs):
         """Updates a user."""
-        resp, body = self.get_user(user_id)
+        _, body = self.get_user(user_id)
         email = kwargs.get('email', body['email'])
         en = kwargs.get('enabled', body['enabled'])
         project_id = kwargs.get('project_id', body['project_id'])
@@ -71,30 +72,35 @@
         }
         post_body = json.dumps({'user': post_body})
         resp, body = self.patch('users/%s' % user_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['user']
 
     def list_user_projects(self, user_id):
         """Lists the projects on which a user has roles assigned."""
         resp, body = self.get('users/%s/projects' % user_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['projects']
 
     def get_users(self):
         """Get the list of users."""
         resp, body = self.get("users")
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['users']
 
     def get_user(self, user_id):
         """GET a user."""
         resp, body = self.get("users/%s" % user_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['user']
 
     def delete_user(self, user_id):
         """Deletes a User."""
         resp, body = self.delete("users/%s" % user_id)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_project(self, name, **kwargs):
@@ -110,16 +116,18 @@
         }
         post_body = json.dumps({'project': post_body})
         resp, body = self.post('projects', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['project']
 
     def list_projects(self):
         resp, body = self.get("projects")
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['projects']
 
     def update_project(self, project_id, **kwargs):
-        resp, body = self.get_project(project_id)
+        _, body = self.get_project(project_id)
         name = kwargs.get('name', body['name'])
         desc = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
@@ -133,18 +141,21 @@
         }
         post_body = json.dumps({'project': post_body})
         resp, body = self.patch('projects/%s' % project_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['project']
 
     def get_project(self, project_id):
         """GET a Project."""
         resp, body = self.get("projects/%s" % project_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['project']
 
     def delete_project(self, project_id):
         """Delete a project."""
         resp, body = self.delete('projects/%s' % str(project_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_role(self, name):
@@ -154,18 +165,21 @@
         }
         post_body = json.dumps({'role': post_body})
         resp, body = self.post('roles', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['role']
 
     def get_role(self, role_id):
         """GET a Role."""
         resp, body = self.get('roles/%s' % str(role_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['role']
 
     def list_roles(self):
         """Get the list of Roles."""
         resp, body = self.get("roles")
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -176,18 +190,21 @@
         }
         post_body = json.dumps({'role': post_body})
         resp, body = self.patch('roles/%s' % str(role_id), post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['role']
 
     def delete_role(self, role_id):
         """Delete a role."""
         resp, body = self.delete('roles/%s' % str(role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_domain(self, name, **kwargs):
@@ -201,23 +218,26 @@
         }
         post_body = json.dumps({'domain': post_body})
         resp, body = self.post('domains', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['domain']
 
     def delete_domain(self, domain_id):
         """Delete a domain."""
         resp, body = self.delete('domains/%s' % str(domain_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_domains(self):
         """List Domains."""
         resp, body = self.get('domains')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['domains']
 
     def update_domain(self, domain_id, **kwargs):
         """Updates a domain."""
-        resp, body = self.get_domain(domain_id)
+        _, body = self.get_domain(domain_id)
         description = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
         name = kwargs.get('name', body['name'])
@@ -228,12 +248,14 @@
         }
         post_body = json.dumps({'domain': post_body})
         resp, body = self.patch('domains/%s' % domain_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['domain']
 
     def get_domain(self, domain_id):
         """Get Domain details."""
         resp, body = self.get('domains/%s' % domain_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['domain']
 
@@ -241,6 +263,7 @@
         """Get token details."""
         headers = {'X-Subject-Token': resp_token}
         resp, body = self.get("auth/tokens", headers=headers)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['token']
 
@@ -248,6 +271,7 @@
         """Deletes token."""
         headers = {'X-Subject-Token': resp_token}
         resp, body = self.delete("auth/tokens", headers=headers)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_group(self, name, **kwargs):
@@ -263,18 +287,20 @@
         }
         post_body = json.dumps({'group': post_body})
         resp, body = self.post('groups', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['group']
 
     def get_group(self, group_id):
         """Get group details."""
         resp, body = self.get('groups/%s' % group_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['group']
 
     def update_group(self, group_id, **kwargs):
         """Updates a group."""
-        resp, body = self.get_group(group_id)
+        _, body = self.get_group(group_id)
         name = kwargs.get('name', body['name'])
         description = kwargs.get('description', body['description'])
         post_body = {
@@ -283,53 +309,62 @@
         }
         post_body = json.dumps({'group': post_body})
         resp, body = self.patch('groups/%s' % group_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['group']
 
     def delete_group(self, group_id):
         """Delete a group."""
         resp, body = self.delete('groups/%s' % str(group_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def add_group_user(self, group_id, user_id):
         """Add user into group."""
         resp, body = self.put('groups/%s/users/%s' % (group_id, user_id),
                               None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_group_users(self, group_id):
         """List users in group."""
         resp, body = self.get('groups/%s/users' % group_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['users']
 
     def list_user_groups(self, user_id):
         """Lists groups which a user belongs to."""
         resp, body = self.get('users/%s/groups' % user_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['groups']
 
     def delete_group_user(self, group_id, user_id):
         """Delete user in group."""
         resp, body = self.delete('groups/%s/users/%s' % (group_id, user_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role_on_project(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role_on_domain(self, domain_id, user_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/users/%s/roles/%s' %
                               (domain_id, user_id, role_id), None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_user_roles_on_project(self, project_id, user_id):
         """list roles of a user on a project."""
         resp, body = self.get('projects/%s/users/%s/roles' %
                               (project_id, user_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -337,6 +372,7 @@
         """list roles of a user on a domain."""
         resp, body = self.get('domains/%s/users/%s/roles' %
                               (domain_id, user_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -344,30 +380,35 @@
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/users/%s/roles/%s' %
                                  (project_id, user_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def revoke_role_from_user_on_domain(self, domain_id, user_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/users/%s/roles/%s' %
                                  (domain_id, user_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_group_role_on_project(self, project_id, group_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/groups/%s/roles/%s' %
                               (project_id, group_id, role_id), None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_group_role_on_domain(self, domain_id, group_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/groups/%s/roles/%s' %
                               (domain_id, group_id, role_id), None)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_group_roles_on_project(self, project_id, group_id):
         """list roles of a user on a project."""
         resp, body = self.get('projects/%s/groups/%s/roles' %
                               (project_id, group_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -375,6 +416,7 @@
         """list roles of a user on a domain."""
         resp, body = self.get('domains/%s/groups/%s/roles' %
                               (domain_id, group_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -382,12 +424,14 @@
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/groups/%s/roles/%s' %
                                  (project_id, group_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def revoke_role_from_group_on_domain(self, domain_id, group_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/groups/%s/roles/%s' %
                                  (domain_id, group_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_trust(self, trustor_user_id, trustee_user_id, project_id,
@@ -404,12 +448,14 @@
         }
         post_body = json.dumps({'trust': post_body})
         resp, body = self.post('OS-TRUST/trusts', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['trust']
 
     def delete_trust(self, trust_id):
         """Deletes a trust."""
         resp, body = self.delete("OS-TRUST/trusts/%s" % trust_id)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def get_trusts(self, trustor_user_id=None, trustee_user_id=None):
@@ -422,18 +468,21 @@
                                   % trustee_user_id)
         else:
             resp, body = self.get("OS-TRUST/trusts")
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['trusts']
 
     def get_trust(self, trust_id):
         """GET trust."""
         resp, body = self.get("OS-TRUST/trusts/%s" % trust_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['trust']
 
     def get_trust_roles(self, trust_id):
         """GET roles delegated by a trust."""
         resp, body = self.get("OS-TRUST/trusts/%s/roles" % trust_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['roles']
 
@@ -441,6 +490,7 @@
         """GET role delegated by a trust."""
         resp, body = self.get("OS-TRUST/trusts/%s/roles/%s"
                               % (trust_id, role_id))
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['role']
 
@@ -448,6 +498,10 @@
         """HEAD Check if role is delegated by a trust."""
         resp, body = self.head("OS-TRUST/trusts/%s/roles/%s"
                                % (trust_id, role_id))
+        # This code needs to change to 200 when the keystone changes
+        # for bug 1334368 merge and check_trust_roles test is
+        # unskipped
+        self.expected_success(204, resp.status)
         return resp, body
 
 
diff --git a/tempest/services/identity/v3/json/service_client.py b/tempest/services/identity/v3/json/service_client.py
index b66fb4a..82e8aad 100644
--- a/tempest/services/identity/v3/json/service_client.py
+++ b/tempest/services/identity/v3/json/service_client.py
@@ -42,6 +42,7 @@
         }
         patch_body = json.dumps({'service': patch_body})
         resp, body = self.patch('services/%s' % service_id, patch_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['service']
 
@@ -49,6 +50,7 @@
         """Get Service."""
         url = 'services/%s' % service_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['service']
 
@@ -62,10 +64,12 @@
         }
         body = json.dumps({'service': body_dict})
         resp, body = self.post("services", body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body["service"]
 
     def delete_service(self, serv_id):
         url = "services/" + serv_id
         resp, body = self.delete(url)
+        self.expected_success(204, resp.status)
         return resp, body
diff --git a/tempest/services/identity/v3/xml/identity_client.py b/tempest/services/identity/v3/xml/identity_client.py
index 35295d7..242b032 100644
--- a/tempest/services/identity/v3/xml/identity_client.py
+++ b/tempest/services/identity/v3/xml/identity_client.py
@@ -104,12 +104,13 @@
                                    project_id=project_id,
                                    domain_id=domain_id)
         resp, body = self.post('users', str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def update_user(self, user_id, name, **kwargs):
         """Updates a user."""
-        resp, body = self.get_user(user_id)
+        _, body = self.get_user(user_id)
         email = kwargs.get('email', body['email'])
         en = kwargs.get('enabled', body['enabled'])
         project_id = kwargs.get('project_id', body['project_id'])
@@ -125,30 +126,35 @@
                                      enabled=str(en).lower())
         resp, body = self.patch('users/%s' % user_id,
                                 str(common.Document(update_user)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def list_user_projects(self, user_id):
         """Lists the projects on which a user has roles assigned."""
         resp, body = self.get('users/%s/projects' % user_id)
+        self.expected_success(200, resp.status)
         body = self._parse_projects(etree.fromstring(body))
         return resp, body
 
     def get_users(self):
         """Get the list of users."""
         resp, body = self.get("users")
+        self.expected_success(200, resp.status)
         body = self._parse_array(etree.fromstring(body))
         return resp, body
 
     def get_user(self, user_id):
         """GET a user."""
         resp, body = self.get("users/%s" % user_id)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_user(self, user_id):
         """Deletes a User."""
         resp, body = self.delete("users/%s" % user_id)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_project(self, name, **kwargs):
@@ -164,12 +170,14 @@
                                    name=name)
         resp, body = self.post('projects',
                                str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def list_projects(self):
         """Get the list of projects."""
         resp, body = self.get("projects")
+        self.expected_success(200, resp.status)
         body = self._parse_projects(etree.fromstring(body))
         return resp, body
 
@@ -188,18 +196,21 @@
                                    domain_id=domain_id)
         resp, body = self.patch('projects/%s' % project_id,
                                 str(common.Document(post_body)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def get_project(self, project_id):
         """GET a Project."""
         resp, body = self.get("projects/%s" % project_id)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_project(self, project_id):
         """Delete a project."""
         resp, body = self.delete('projects/%s' % str(project_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_role(self, name):
@@ -208,18 +219,21 @@
                                    xmlns=XMLNS,
                                    name=name)
         resp, body = self.post('roles', str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def get_role(self, role_id):
         """GET a Role."""
         resp, body = self.get('roles/%s' % str(role_id))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def list_roles(self):
         """Get the list of Roles."""
         resp, body = self.get("roles")
+        self.expected_success(200, resp.status)
         body = self._parse_roles(etree.fromstring(body))
         return resp, body
 
@@ -230,18 +244,21 @@
                                    name=name)
         resp, body = self.patch('roles/%s' % str(role_id),
                                 str(common.Document(post_body)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_role(self, role_id):
         """Delete a role."""
         resp, body = self.delete('roles/%s' % str(role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role(self, project_id, user_id, role_id):
         """Add roles to a user on a tenant."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_domain(self, name, **kwargs):
@@ -254,23 +271,26 @@
                                    description=description,
                                    enabled=str(en).lower())
         resp, body = self.post('domains', str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def list_domains(self):
         """Get the list of domains."""
         resp, body = self.get("domains")
+        self.expected_success(200, resp.status)
         body = self._parse_domains(etree.fromstring(body))
         return resp, body
 
     def delete_domain(self, domain_id):
         """Delete a domain."""
         resp, body = self.delete('domains/%s' % domain_id)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def update_domain(self, domain_id, **kwargs):
         """Updates a domain."""
-        resp, body = self.get_domain(domain_id)
+        _, body = self.get_domain(domain_id)
         description = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
         name = kwargs.get('name', body['name'])
@@ -281,12 +301,14 @@
                                    enabled=str(en).lower())
         resp, body = self.patch('domains/%s' % domain_id,
                                 str(common.Document(post_body)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def get_domain(self, domain_id):
         """Get Domain details."""
         resp, body = self.get('domains/%s' % domain_id)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -296,6 +318,7 @@
                    'Accept': 'application/xml',
                    'X-Subject-Token': resp_token}
         resp, body = self.get("auth/tokens", headers=headers)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -303,6 +326,7 @@
         """Delete a Given Token."""
         headers = {'X-Subject-Token': resp_token}
         resp, body = self.delete("auth/tokens", headers=headers)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def create_group(self, name, **kwargs):
@@ -317,18 +341,20 @@
                                    domain_id=domain_id,
                                    project_id=project_id)
         resp, body = self.post('groups', str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def get_group(self, group_id):
         """Get group details."""
         resp, body = self.get('groups/%s' % group_id)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def update_group(self, group_id, **kwargs):
         """Updates a group."""
-        resp, body = self.get_group(group_id)
+        _, body = self.get_group(group_id)
         name = kwargs.get('name', body['name'])
         description = kwargs.get('description', body['description'])
         post_body = common.Element("group",
@@ -337,52 +363,61 @@
                                    description=description)
         resp, body = self.patch('groups/%s' % group_id,
                                 str(common.Document(post_body)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_group(self, group_id):
         """Delete a group."""
         resp, body = self.delete('groups/%s' % group_id)
+        self.expected_success(204, resp.status)
         return resp, body
 
     def add_group_user(self, group_id, user_id):
         """Add user into group."""
         resp, body = self.put('groups/%s/users/%s' % (group_id, user_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_group_users(self, group_id):
         """List users in group."""
         resp, body = self.get('groups/%s/users' % group_id)
+        self.expected_success(200, resp.status)
         body = self._parse_group_users(etree.fromstring(body))
         return resp, body
 
     def list_user_groups(self, user_id):
         """Lists the groups which a user belongs to."""
         resp, body = self.get('users/%s/groups' % user_id)
+        self.expected_success(200, resp.status)
         body = self._parse_groups(etree.fromstring(body))
         return resp, body
 
     def delete_group_user(self, group_id, user_id):
         """Delete user in group."""
         resp, body = self.delete('groups/%s/users/%s' % (group_id, user_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role_on_project(self, project_id, user_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/users/%s/roles/%s' %
                               (project_id, user_id, role_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_user_role_on_domain(self, domain_id, user_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/users/%s/roles/%s' %
                               (domain_id, user_id, role_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_user_roles_on_project(self, project_id, user_id):
         """list roles of a user on a project."""
         resp, body = self.get('projects/%s/users/%s/roles' %
                               (project_id, user_id))
+        self.expected_success(200, resp.status)
         body = self._parse_roles(etree.fromstring(body))
         return resp, body
 
@@ -390,6 +425,7 @@
         """list roles of a user on a domain."""
         resp, body = self.get('domains/%s/users/%s/roles' %
                               (domain_id, user_id))
+        self.expected_success(200, resp.status)
         body = self._parse_roles(etree.fromstring(body))
         return resp, body
 
@@ -397,30 +433,35 @@
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/users/%s/roles/%s' %
                                  (project_id, user_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def revoke_role_from_user_on_domain(self, domain_id, user_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/users/%s/roles/%s' %
                                  (domain_id, user_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_group_role_on_project(self, project_id, group_id, role_id):
         """Add roles to a user on a project."""
         resp, body = self.put('projects/%s/groups/%s/roles/%s' %
                               (project_id, group_id, role_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def assign_group_role_on_domain(self, domain_id, group_id, role_id):
         """Add roles to a user on a domain."""
         resp, body = self.put('domains/%s/groups/%s/roles/%s' %
                               (domain_id, group_id, role_id), '')
+        self.expected_success(204, resp.status)
         return resp, body
 
     def list_group_roles_on_project(self, project_id, group_id):
         """list roles of a user on a project."""
         resp, body = self.get('projects/%s/groups/%s/roles' %
                               (project_id, group_id))
+        self.expected_success(200, resp.status)
         body = self._parse_roles(etree.fromstring(body))
         return resp, body
 
@@ -428,6 +469,7 @@
         """list roles of a user on a domain."""
         resp, body = self.get('domains/%s/groups/%s/roles' %
                               (domain_id, group_id))
+        self.expected_success(200, resp.status)
         body = self._parse_roles(etree.fromstring(body))
         return resp, body
 
@@ -435,12 +477,14 @@
         """Delete role of a user on a project."""
         resp, body = self.delete('projects/%s/groups/%s/roles/%s' %
                                  (project_id, group_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
     def revoke_role_from_group_on_domain(self, domain_id, group_id, role_id):
         """Delete role of a user on a domain."""
         resp, body = self.delete('domains/%s/groups/%s/roles/%s' %
                                  (domain_id, group_id, role_id))
+        self.expected_success(204, resp.status)
         return resp, body
 
 
diff --git a/tempest/services/identity/v3/xml/service_client.py b/tempest/services/identity/v3/xml/service_client.py
index 37ed892..3beeb89 100644
--- a/tempest/services/identity/v3/xml/service_client.py
+++ b/tempest/services/identity/v3/xml/service_client.py
@@ -51,6 +51,7 @@
                                         type=type)
         resp, body = self.patch('services/%s' % service_id,
                                 str(common.Document(update_service)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -58,6 +59,7 @@
         """Get Service."""
         url = 'services/%s' % service_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -68,10 +70,12 @@
                                    description=description,
                                    type=serv_type)
         resp, body = self.post("services", str(common.Document(post_body)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_service(self, serv_id):
         url = "services/" + serv_id
         resp, body = self.delete(url)
+        self.expected_success(204, resp.status)
         return resp, body
diff --git a/tempest/services/identity/xml/identity_client.py b/tempest/services/identity/xml/identity_client.py
index 886ce7b..4ada46c 100644
--- a/tempest/services/identity/xml/identity_client.py
+++ b/tempest/services/identity/xml/identity_client.py
@@ -29,11 +29,13 @@
         create_role = xml.Element("role", xmlns=XMLNS, name=name)
         resp, body = self.post('OS-KSADM/roles',
                                str(xml.Document(create_role)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def get_role(self, role_id):
         """Get a role by its id."""
         resp, body = self.get('OS-KSADM/roles/%s' % role_id)
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def create_tenant(self, name, **kwargs):
@@ -50,16 +52,18 @@
                                     description=kwargs.get('description', ''),
                                     enabled=str(en).lower())
         resp, body = self.post('tenants', str(xml.Document(create_tenant)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_tenants(self):
         """Returns tenants."""
         resp, body = self.get('tenants')
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def update_tenant(self, tenant_id, **kwargs):
         """Updates a tenant."""
-        resp, body = self.get_tenant(tenant_id)
+        _, body = self.get_tenant(tenant_id)
         name = kwargs.get('name', body['name'])
         desc = kwargs.get('description', body['description'])
         en = kwargs.get('enabled', body['enabled'])
@@ -72,6 +76,7 @@
 
         resp, body = self.post('tenants/%s' % tenant_id,
                                str(xml.Document(update_tenant)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def create_user(self, name, password, tenant_id, email, **kwargs):
@@ -87,6 +92,7 @@
             create_user.add_attr('enabled', str(kwargs['enabled']).lower())
 
         resp, body = self.post('users', str(xml.Document(create_user)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def update_user(self, user_id, **kwargs):
@@ -97,6 +103,7 @@
 
         resp, body = self.put('users/%s' % user_id,
                               str(xml.Document(update_user)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def enable_disable_user(self, user_id, enabled):
@@ -104,6 +111,7 @@
         enable_user = xml.Element("user", enabled=str(enabled).lower())
         resp, body = self.put('users/%s/enabled' % user_id,
                               str(xml.Document(enable_user)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def create_service(self, name, service_type, **kwargs):
@@ -116,6 +124,7 @@
                                      description=kwargs.get('description'))
         resp, body = self.post('OS-KSADM/services',
                                str(xml.Document(create_service)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def update_user_password(self, user_id, new_pass):
@@ -125,11 +134,13 @@
                                password=new_pass)
         resp, body = self.put('users/%s/OS-KSADM/password' % user_id,
                               str(xml.Document(put_body)))
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)
 
     def list_extensions(self):
         """List all the extensions."""
         resp, body = self.get('/extensions')
+        self.expected_success(200, resp.status)
         return resp, self._parse_resp(body)