diff --git a/tempest/api/identity/admin/v3/test_credentials.py b/tempest/api/identity/admin/v3/test_credentials.py
index d40e0f3..433eaed 100644
--- a/tempest/api/identity/admin/v3/test_credentials.py
+++ b/tempest/api/identity/admin/v3/test_credentials.py
@@ -50,18 +50,16 @@
         super(CredentialsTestJSON, cls).tearDownClass()
 
     def _delete_credential(self, cred_id):
-        resp, body = self.creds_client.delete_credential(cred_id)
-        self.assertEqual(resp['status'], '204')
+        self.creds_client.delete_credential(cred_id)
 
     @test.attr(type='smoke')
     def test_credentials_create_get_update_delete(self):
         keys = [data_utils.rand_name('Access-'),
                 data_utils.rand_name('Secret-')]
-        resp, cred = self.creds_client.create_credential(
+        _, cred = self.creds_client.create_credential(
             keys[0], keys[1], self.user_body['id'],
             self.projects[0])
         self.addCleanup(self._delete_credential, cred['id'])
-        self.assertEqual(resp['status'], '201')
         for value1 in self.creds_list[0]:
             self.assertIn(value1, cred)
         for value2 in self.creds_list[1]:
@@ -69,18 +67,16 @@
 
         new_keys = [data_utils.rand_name('NewAccess-'),
                     data_utils.rand_name('NewSecret-')]
-        resp, update_body = self.creds_client.update_credential(
+        _, update_body = self.creds_client.update_credential(
             cred['id'], access_key=new_keys[0], secret_key=new_keys[1],
             project_id=self.projects[1])
-        self.assertEqual(resp['status'], '200')
         self.assertEqual(cred['id'], update_body['id'])
         self.assertEqual(self.projects[1], update_body['project_id'])
         self.assertEqual(self.user_body['id'], update_body['user_id'])
         self.assertEqual(update_body['blob']['access'], new_keys[0])
         self.assertEqual(update_body['blob']['secret'], new_keys[1])
 
-        resp, get_body = self.creds_client.get_credential(cred['id'])
-        self.assertEqual(resp['status'], '200')
+        _, get_body = self.creds_client.get_credential(cred['id'])
         for value1 in self.creds_list[0]:
             self.assertEqual(update_body[value1],
                              get_body[value1])
@@ -94,16 +90,14 @@
         fetched_cred_ids = list()
 
         for i in range(2):
-            resp, cred = self.creds_client.create_credential(
+            _, cred = self.creds_client.create_credential(
                 data_utils.rand_name('Access-'),
                 data_utils.rand_name('Secret-'),
                 self.user_body['id'], self.projects[0])
-            self.assertEqual(resp['status'], '201')
             created_cred_ids.append(cred['id'])
             self.addCleanup(self._delete_credential, cred['id'])
 
-        resp, creds = self.creds_client.list_credentials()
-        self.assertEqual(resp['status'], '200')
+        _, creds = self.creds_client.list_credentials()
 
         for i in creds:
             fetched_cred_ids.append(i['id'])
diff --git a/tempest/api/identity/admin/v3/test_endpoints.py b/tempest/api/identity/admin/v3/test_endpoints.py
index 6beb8f2..ad46af2 100644
--- a/tempest/api/identity/admin/v3/test_endpoints.py
+++ b/tempest/api/identity/admin/v3/test_endpoints.py
@@ -57,9 +57,8 @@
     @test.attr(type='gate')
     def test_list_endpoints(self):
         # Get a list of endpoints
-        resp, fetched_endpoints = self.client.list_endpoints()
+        _, fetched_endpoints = self.client.list_endpoints()
         # Asserting LIST endpoints
-        self.assertEqual(resp['status'], '200')
         missing_endpoints =\
             [e for e in self.setup_endpoints if e not in fetched_endpoints]
         self.assertEqual(0, len(missing_endpoints),
@@ -71,11 +70,10 @@
         region = data_utils.rand_name('region')
         url = data_utils.rand_url()
         interface = 'public'
-        resp, endpoint =\
+        _, endpoint =\
             self.client.create_endpoint(self.service_id, interface, url,
                                         region=region, enabled=True)
         # Asserting Create Endpoint response body
-        self.assertEqual(resp['status'], '201')
         self.assertIn('id', endpoint)
         self.assertEqual(region, endpoint['region'])
         self.assertEqual(url, endpoint['url'])
@@ -84,8 +82,7 @@
         fetched_endpoints_id = [e['id'] for e in fetched_endpoints]
         self.assertIn(endpoint['id'], fetched_endpoints_id)
         # Deleting the endpoint created in this method
-        resp, body = self.client.delete_endpoint(endpoint['id'])
-        self.assertEqual(resp['status'], '204')
+        _, body = self.client.delete_endpoint(endpoint['id'])
         self.assertEqual(body, '')
         # Checking whether endpoint is deleted successfully
         resp, fetched_endpoints = self.client.list_endpoints()
@@ -116,12 +113,11 @@
         region2 = data_utils.rand_name('region')
         url2 = data_utils.rand_url()
         interface2 = 'internal'
-        resp, endpoint = \
+        _, endpoint = \
             self.client.update_endpoint(endpoint_for_update['id'],
                                         service_id=service2['id'],
                                         interface=interface2, url=url2,
                                         region=region2, enabled=False)
-        self.assertEqual(resp['status'], '200')
         # Asserting if the attributes of endpoint are updated
         self.assertEqual(service2['id'], endpoint['service_id'])
         self.assertEqual(interface2, endpoint['interface'])
diff --git a/tempest/api/identity/admin/v3/test_policies.py b/tempest/api/identity/admin/v3/test_policies.py
index 0e79440..65c5230 100644
--- a/tempest/api/identity/admin/v3/test_policies.py
+++ b/tempest/api/identity/admin/v3/test_policies.py
@@ -22,8 +22,7 @@
     _interface = 'json'
 
     def _delete_policy(self, policy_id):
-        resp, _ = self.policy_client.delete_policy(policy_id)
-        self.assertEqual(204, resp.status)
+        self.policy_client.delete_policy(policy_id)
 
     @test.attr(type='smoke')
     def test_list_policies(self):
@@ -39,8 +38,7 @@
             self.addCleanup(self._delete_policy, policy['id'])
             policy_ids.append(policy['id'])
         # List and Verify Policies
-        resp, body = self.policy_client.list_policies()
-        self.assertEqual(resp['status'], '200')
+        _, body = self.policy_client.list_policies()
         for p in body:
             fetched_ids.append(p['id'])
         missing_pols = [p for p in policy_ids if p not in fetched_ids]
@@ -51,7 +49,7 @@
         # Test to update policy
         blob = data_utils.rand_name('BlobName-')
         policy_type = data_utils.rand_name('PolicyType-')
-        resp, policy = self.policy_client.create_policy(blob, policy_type)
+        _, policy = self.policy_client.create_policy(blob, policy_type)
         self.addCleanup(self._delete_policy, policy['id'])
         self.assertIn('id', policy)
         self.assertIn('type', policy)
@@ -59,15 +57,13 @@
         self.assertIsNotNone(policy['id'])
         self.assertEqual(blob, policy['blob'])
         self.assertEqual(policy_type, policy['type'])
-        resp, fetched_policy = self.policy_client.get_policy(policy['id'])
-        self.assertEqual(resp['status'], '200')
         # Update policy
         update_type = data_utils.rand_name('UpdatedPolicyType-')
-        resp, data = self.policy_client.update_policy(
+        _, data = self.policy_client.update_policy(
             policy['id'], type=update_type)
         self.assertIn('type', data)
         # Assertion for updated value with fetched value
-        resp, fetched_policy = self.policy_client.get_policy(policy['id'])
+        _, fetched_policy = self.policy_client.get_policy(policy['id'])
         self.assertIn('id', fetched_policy)
         self.assertIn('blob', fetched_policy)
         self.assertIn('type', fetched_policy)
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index c8b034f..8fc0e22 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -40,34 +40,30 @@
         super(RegionsTestJSON, cls).tearDownClass()
 
     def _delete_region(self, region_id):
-        resp, _ = self.client.delete_region(region_id)
-        self.assertEqual(204, resp.status)
+        self.client.delete_region(region_id)
         self.assertRaises(exceptions.NotFound,
                           self.client.get_region, region_id)
 
     @test.attr(type='gate')
     def test_create_update_get_delete_region(self):
         r_description = data_utils.rand_name('description-')
-        resp, region = self.client.create_region(
+        _, region = self.client.create_region(
             r_description, parent_region_id=self.setup_regions[0]['id'])
-        self.assertEqual(201, resp.status)
         self.addCleanup(self._delete_region, region['id'])
         self.assertEqual(r_description, region['description'])
         self.assertEqual(self.setup_regions[0]['id'],
                          region['parent_region_id'])
         # Update region with new description and parent ID
         r_alt_description = data_utils.rand_name('description-')
-        resp, region = self.client.update_region(
+        _, region = self.client.update_region(
             region['id'],
             description=r_alt_description,
             parent_region_id=self.setup_regions[1]['id'])
-        self.assertEqual(200, resp.status)
         self.assertEqual(r_alt_description, region['description'])
         self.assertEqual(self.setup_regions[1]['id'],
                          region['parent_region_id'])
         # Get the details of region
-        resp, region = self.client.get_region(region['id'])
-        self.assertEqual(200, resp.status)
+        _, region = self.client.get_region(region['id'])
         self.assertEqual(r_alt_description, region['description'])
         self.assertEqual(self.setup_regions[1]['id'],
                          region['parent_region_id'])
@@ -77,19 +73,17 @@
         # Create a region with a specific id
         r_region_id = data_utils.rand_uuid()
         r_description = data_utils.rand_name('description-')
-        resp, region = self.client.create_region(
+        _, region = self.client.create_region(
             r_description, unique_region_id=r_region_id)
         self.addCleanup(self._delete_region, region['id'])
         # Asserting Create Region with specific id response body
-        self.assertEqual(201, resp.status)
         self.assertEqual(r_region_id, region['id'])
         self.assertEqual(r_description, region['description'])
 
     @test.attr(type='gate')
     def test_list_regions(self):
         # Get a list of regions
-        resp, fetched_regions = self.client.list_regions()
-        self.assertEqual(200, resp.status)
+        _, fetched_regions = self.client.list_regions()
         missing_regions =\
             [e for e in self.setup_regions if e not in fetched_regions]
         # Asserting List Regions response
diff --git a/tempest/services/identity/v3/json/credentials_client.py b/tempest/services/identity/v3/json/credentials_client.py
index f795c7b..d424f4c 100644
--- a/tempest/services/identity/v3/json/credentials_client.py
+++ b/tempest/services/identity/v3/json/credentials_client.py
@@ -41,13 +41,14 @@
         }
         post_body = json.dumps({'credential': post_body})
         resp, body = self.post('credentials', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
         return resp, body['credential']
 
     def update_credential(self, credential_id, **kwargs):
         """Updates a credential."""
-        resp, body = self.get_credential(credential_id)
+        _, body = self.get_credential(credential_id)
         cred_type = kwargs.get('type', body['type'])
         access_key = kwargs.get('access_key', body['blob']['access'])
         secret_key = kwargs.get('secret_key', body['blob']['secret'])
@@ -63,6 +64,7 @@
         }
         post_body = json.dumps({'credential': post_body})
         resp, body = self.patch('credentials/%s' % credential_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
         return resp, body['credential']
@@ -70,6 +72,7 @@
     def get_credential(self, credential_id):
         """To GET Details of a credential."""
         resp, body = self.get('credentials/%s' % credential_id)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         body['credential']['blob'] = json.loads(body['credential']['blob'])
         return resp, body['credential']
@@ -77,10 +80,12 @@
     def list_credentials(self):
         """Lists out all the available credentials."""
         resp, body = self.get('credentials')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['credentials']
 
     def delete_credential(self, credential_id):
         """Deletes a credential."""
         resp, body = self.delete('credentials/%s' % credential_id)
+        self.expected_success(204, resp.status)
         return resp, body
diff --git a/tempest/services/identity/v3/json/endpoints_client.py b/tempest/services/identity/v3/json/endpoints_client.py
index f7a894b..c3fedb2 100644
--- a/tempest/services/identity/v3/json/endpoints_client.py
+++ b/tempest/services/identity/v3/json/endpoints_client.py
@@ -32,6 +32,7 @@
     def list_endpoints(self):
         """GET endpoints."""
         resp, body = self.get('endpoints')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['endpoints']
 
@@ -56,6 +57,7 @@
         }
         post_body = json.dumps({'endpoint': post_body})
         resp, body = self.post('endpoints', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['endpoint']
 
@@ -82,10 +84,12 @@
             post_body['enabled'] = enabled
         post_body = json.dumps({'endpoint': post_body})
         resp, body = self.patch('endpoints/%s' % endpoint_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['endpoint']
 
     def delete_endpoint(self, endpoint_id):
         """Delete endpoint."""
         resp_header, resp_body = self.delete('endpoints/%s' % endpoint_id)
+        self.expected_success(204, resp_header.status)
         return resp_header, resp_body
diff --git a/tempest/services/identity/v3/json/policy_client.py b/tempest/services/identity/v3/json/policy_client.py
index 3c90fa1..e093260 100644
--- a/tempest/services/identity/v3/json/policy_client.py
+++ b/tempest/services/identity/v3/json/policy_client.py
@@ -37,12 +37,14 @@
         }
         post_body = json.dumps({'policy': post_body})
         resp, body = self.post('policies', post_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['policy']
 
     def list_policies(self):
         """Lists the policies."""
         resp, body = self.get('policies')
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['policies']
 
@@ -50,12 +52,12 @@
         """Lists out the given policy."""
         url = 'policies/%s' % policy_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['policy']
 
     def update_policy(self, policy_id, **kwargs):
         """Updates a policy."""
-        resp, body = self.get_policy(policy_id)
         type = kwargs.get('type')
         post_body = {
             'type': type
@@ -63,10 +65,13 @@
         post_body = json.dumps({'policy': post_body})
         url = 'policies/%s' % policy_id
         resp, body = self.patch(url, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['policy']
 
     def delete_policy(self, policy_id):
         """Deletes the policy."""
         url = "policies/%s" % policy_id
-        return self.delete(url)
+        resp, body = self.delete(url)
+        self.expected_success(204, resp.status)
+        return resp, body
diff --git a/tempest/services/identity/v3/json/region_client.py b/tempest/services/identity/v3/json/region_client.py
index c078765..becea6b 100644
--- a/tempest/services/identity/v3/json/region_client.py
+++ b/tempest/services/identity/v3/json/region_client.py
@@ -43,6 +43,7 @@
                 'regions/%s' % kwargs.get('unique_region_id'), req_body)
         else:
             resp, body = self.post('regions', req_body)
+        self.expected_success(201, resp.status)
         body = json.loads(body)
         return resp, body['region']
 
@@ -55,6 +56,7 @@
             post_body['parent_region_id'] = kwargs.get('parent_region_id')
         post_body = json.dumps({'region': post_body})
         resp, body = self.patch('regions/%s' % region_id, post_body)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['region']
 
@@ -62,6 +64,7 @@
         """Get region."""
         url = 'regions/%s' % region_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['region']
 
@@ -71,10 +74,12 @@
         if params:
             url += '?%s' % urllib.urlencode(params)
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = json.loads(body)
         return resp, body['regions']
 
     def delete_region(self, region_id):
         """Delete region."""
         resp, body = self.delete('regions/%s' % region_id)
+        self.expected_success(204, resp.status)
         return resp, body
diff --git a/tempest/services/identity/v3/xml/credentials_client.py b/tempest/services/identity/v3/xml/credentials_client.py
index 3c44188..37513d0 100644
--- a/tempest/services/identity/v3/xml/credentials_client.py
+++ b/tempest/services/identity/v3/xml/credentials_client.py
@@ -60,13 +60,14 @@
                                     type=cred_type, user_id=user_id)
         credential.append(blob)
         resp, body = self.post('credentials', str(common.Document(credential)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         body['blob'] = json.loads(body['blob'])
         return resp, body
 
     def update_credential(self, credential_id, **kwargs):
         """Updates a credential."""
-        resp, body = self.get_credential(credential_id)
+        _, body = self.get_credential(credential_id)
         cred_type = kwargs.get('type', body['type'])
         access_key = kwargs.get('access_key', body['blob']['access'])
         secret_key = kwargs.get('secret_key', body['blob']['secret'])
@@ -83,6 +84,7 @@
         credential.append(blob)
         resp, body = self.patch('credentials/%s' % credential_id,
                                 str(common.Document(credential)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         body['blob'] = json.loads(body['blob'])
         return resp, body
@@ -90,6 +92,7 @@
     def get_credential(self, credential_id):
         """To GET Details of a credential."""
         resp, body = self.get('credentials/%s' % credential_id)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         body['blob'] = json.loads(body['blob'])
         return resp, body
@@ -97,10 +100,12 @@
     def list_credentials(self):
         """Lists out all the available credentials."""
         resp, body = self.get('credentials')
+        self.expected_success(200, resp.status)
         body = self._parse_creds(etree.fromstring(body))
         return resp, body
 
     def delete_credential(self, credential_id):
         """Deletes a credential."""
         resp, body = self.delete('credentials/%s' % credential_id)
+        self.expected_success(204, resp.status)
         return resp, body
diff --git a/tempest/services/identity/v3/xml/endpoints_client.py b/tempest/services/identity/v3/xml/endpoints_client.py
index 6490e34..892fb58 100644
--- a/tempest/services/identity/v3/xml/endpoints_client.py
+++ b/tempest/services/identity/v3/xml/endpoints_client.py
@@ -65,6 +65,7 @@
     def list_endpoints(self):
         """Get the list of endpoints."""
         resp, body = self.get("endpoints")
+        self.expected_success(200, resp.status)
         body = self._parse_array(etree.fromstring(body))
         return resp, body
 
@@ -90,6 +91,7 @@
                                          enabled=enabled)
         resp, body = self.post('endpoints',
                                str(common.Document(create_endpoint)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -120,10 +122,12 @@
             endpoint.add_attr("enabled", str(enabled).lower())
 
         resp, body = self.patch('endpoints/%s' % str(endpoint_id), str(doc))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_endpoint(self, endpoint_id):
         """Delete endpoint."""
         resp_header, resp_body = self.delete('endpoints/%s' % endpoint_id)
+        self.expected_success(204, resp_header.status)
         return resp_header, resp_body
diff --git a/tempest/services/identity/v3/xml/policy_client.py b/tempest/services/identity/v3/xml/policy_client.py
index 73d831b..41bbfe5 100644
--- a/tempest/services/identity/v3/xml/policy_client.py
+++ b/tempest/services/identity/v3/xml/policy_client.py
@@ -67,12 +67,14 @@
         create_policy = common.Element("policy", xmlns=XMLNS,
                                        blob=blob, type=type)
         resp, body = self.post('policies', str(common.Document(create_policy)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def list_policies(self):
         """Lists the policies."""
         resp, body = self.get('policies')
+        self.expected_success(200, resp.status)
         body = self._parse_array(etree.fromstring(body))
         return resp, body
 
@@ -80,20 +82,23 @@
         """Lists out the given policy."""
         url = 'policies/%s' % policy_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def update_policy(self, policy_id, **kwargs):
         """Updates a policy."""
-        resp, body = self.get_policy(policy_id)
         type = kwargs.get('type')
         update_policy = common.Element("policy", xmlns=XMLNS, type=type)
         url = 'policies/%s' % policy_id
         resp, body = self.patch(url, str(common.Document(update_policy)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
     def delete_policy(self, policy_id):
         """Deletes the policy."""
         url = "policies/%s" % policy_id
-        return self.delete(url)
+        resp, body = self.delete(url)
+        self.expected_success(204, resp.status)
+        return resp, body
diff --git a/tempest/services/identity/v3/xml/region_client.py b/tempest/services/identity/v3/xml/region_client.py
index f854138..7669678 100644
--- a/tempest/services/identity/v3/xml/region_client.py
+++ b/tempest/services/identity/v3/xml/region_client.py
@@ -79,6 +79,7 @@
         else:
             resp, body = self.post('regions',
                                    str(common.Document(create_region)))
+        self.expected_success(201, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -95,6 +96,7 @@
 
         resp, body = self.patch('regions/%s' % str(region_id),
                                 str(common.Document(update_region)))
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -102,6 +104,7 @@
         """Get Region."""
         url = 'regions/%s' % region_id
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
@@ -111,10 +114,12 @@
         if params:
             url += '?%s' % urllib.urlencode(params)
         resp, body = self.get(url)
+        self.expected_success(200, resp.status)
         body = self._parse_array(etree.fromstring(body))
         return resp, body
 
     def delete_region(self, region_id):
         """Delete region."""
         resp, body = self.delete('regions/%s' % region_id)
+        self.expected_success(204, resp.status)
         return resp, body