diff --git a/tempest/api/compute/admin/test_servers_negative.py b/tempest/api/compute/admin/test_servers_negative.py
index cccaf13..f4d010e 100644
--- a/tempest/api/compute/admin/test_servers_negative.py
+++ b/tempest/api/compute/admin/test_servers_negative.py
@@ -127,6 +127,8 @@
                           self.client.migrate_server,
                           str(uuid.uuid4()))
 
+    @testtools.skipUnless(CONF.compute_feature_enabled.resize,
+                          'Resize not available.')
     @testtools.skipUnless(CONF.compute_feature_enabled.suspend,
                           'Suspend is not available.')
     @test.attr(type=['negative', 'gate'])
diff --git a/tempest/api/data_processing/base.py b/tempest/api/data_processing/base.py
index ab0e83a..cfb5a3d 100644
--- a/tempest/api/data_processing/base.py
+++ b/tempest/api/data_processing/base.py
@@ -75,16 +75,16 @@
         object. All resources created in this method will be automatically
         removed in tearDownClass method.
         """
-        resp, body = cls.client.create_node_group_template(name, plugin_name,
-                                                           hadoop_version,
-                                                           node_processes,
-                                                           flavor_id,
-                                                           node_configs,
-                                                           **kwargs)
+        _, resp_body = cls.client.create_node_group_template(name, plugin_name,
+                                                             hadoop_version,
+                                                             node_processes,
+                                                             flavor_id,
+                                                             node_configs,
+                                                             **kwargs)
         # store id of created node group template
-        cls._node_group_templates.append(body['id'])
+        cls._node_group_templates.append(resp_body['id'])
 
-        return resp, body
+        return resp_body
 
     @classmethod
     def create_cluster_template(cls, name, plugin_name, hadoop_version,
@@ -95,15 +95,15 @@
         object. All resources created in this method will be automatically
         removed in tearDownClass method.
         """
-        resp, body = cls.client.create_cluster_template(name, plugin_name,
-                                                        hadoop_version,
-                                                        node_groups,
-                                                        cluster_configs,
-                                                        **kwargs)
+        _, resp_body = cls.client.create_cluster_template(name, plugin_name,
+                                                          hadoop_version,
+                                                          node_groups,
+                                                          cluster_configs,
+                                                          **kwargs)
         # store id of created cluster template
-        cls._cluster_templates.append(body['id'])
+        cls._cluster_templates.append(resp_body['id'])
 
-        return resp, body
+        return resp_body
 
     @classmethod
     def create_data_source(cls, name, type, url, **kwargs):
@@ -113,11 +113,11 @@
         object. All resources created in this method will be automatically
         removed in tearDownClass method.
         """
-        resp, body = cls.client.create_data_source(name, type, url, **kwargs)
+        _, resp_body = cls.client.create_data_source(name, type, url, **kwargs)
         # store id of created data source
-        cls._data_sources.append(body['id'])
+        cls._data_sources.append(resp_body['id'])
 
-        return resp, body
+        return resp_body
 
     @classmethod
     def create_job_binary_internal(cls, name, data):
@@ -126,11 +126,11 @@
         It returns created object. All resources created in this method will
         be automatically removed in tearDownClass method.
         """
-        resp, body = cls.client.create_job_binary_internal(name, data)
+        _, resp_body = cls.client.create_job_binary_internal(name, data)
         # store id of created job binary internal
-        cls._job_binary_internals.append(body['id'])
+        cls._job_binary_internals.append(resp_body['id'])
 
-        return resp, body
+        return resp_body
 
     def create_job_binary(cls, name, url, extra=None, **kwargs):
         """Creates watched job binary with specified params.
@@ -139,8 +139,8 @@
         object. All resources created in this method will be automatically
         removed in tearDownClass method.
         """
-        resp, body = cls.client.create_job_binary(name, url, extra, **kwargs)
+        _, resp_body = cls.client.create_job_binary(name, url, extra, **kwargs)
         # store id of created job binary
-        cls._job_binaries.append(body['id'])
+        cls._job_binaries.append(resp_body['id'])
 
-        return resp, body
+        return resp_body
diff --git a/tempest/api/data_processing/test_cluster_templates.py b/tempest/api/data_processing/test_cluster_templates.py
index ad9ed2a..ff67c1c 100644
--- a/tempest/api/data_processing/test_cluster_templates.py
+++ b/tempest/api/data_processing/test_cluster_templates.py
@@ -39,7 +39,7 @@
                 }
             }
         }
-        resp_body = cls.create_node_group_template(**node_group_template)[1]
+        resp_body = cls.create_node_group_template(**node_group_template)
         node_group_template_id = resp_body['id']
 
         cls.full_cluster_template = {
@@ -95,23 +95,22 @@
     def _create_cluster_template(self, template_name=None):
         """Creates Cluster Template with optional name specified.
 
-        It creates template and ensures response status, template name and
-        response body. Returns id and name of created template.
+        It creates template, ensures template name and response body.
+        Returns id and name of created template.
         """
         if not template_name:
             # generate random name if it's not specified
             template_name = data_utils.rand_name('sahara-cluster-template')
 
         # create cluster template
-        resp, body = self.create_cluster_template(template_name,
-                                                  **self.full_cluster_template)
+        resp_body = self.create_cluster_template(template_name,
+                                                 **self.full_cluster_template)
 
         # ensure that template created successfully
-        self.assertEqual(202, resp.status)
-        self.assertEqual(template_name, body['name'])
-        self.assertDictContainsSubset(self.cluster_template, body)
+        self.assertEqual(template_name, resp_body['name'])
+        self.assertDictContainsSubset(self.cluster_template, resp_body)
 
-        return body['id'], template_name
+        return resp_body['id'], template_name
 
     @test.attr(type='smoke')
     def test_cluster_template_create(self):
@@ -122,8 +121,7 @@
         template_info = self._create_cluster_template()
 
         # check for cluster template in list
-        resp, templates = self.client.list_cluster_templates()
-        self.assertEqual(200, resp.status)
+        _, templates = self.client.list_cluster_templates()
         templates_info = [(template['id'], template['name'])
                           for template in templates]
         self.assertIn(template_info, templates_info)
@@ -133,16 +131,14 @@
         template_id, template_name = self._create_cluster_template()
 
         # check cluster template fetch by id
-        resp, template = self.client.get_cluster_template(template_id)
-        self.assertEqual(200, resp.status)
+        _, template = self.client.get_cluster_template(template_id)
         self.assertEqual(template_name, template['name'])
         self.assertDictContainsSubset(self.cluster_template, template)
 
     @test.attr(type='smoke')
     def test_cluster_template_delete(self):
-        template_id = self._create_cluster_template()[0]
+        template_id, _ = self._create_cluster_template()
 
         # delete the cluster template by id
-        resp = self.client.delete_cluster_template(template_id)[0]
-        self.assertEqual(204, resp.status)
+        self.client.delete_cluster_template(template_id)
         # TODO(ylobankov): check that cluster template is really deleted
diff --git a/tempest/api/data_processing/test_data_sources.py b/tempest/api/data_processing/test_data_sources.py
index 345153b..aae56c4 100644
--- a/tempest/api/data_processing/test_data_sources.py
+++ b/tempest/api/data_processing/test_data_sources.py
@@ -48,65 +48,59 @@
     def _create_data_source(self, source_body, source_name=None):
         """Creates Data Source with optional name specified.
 
-        It creates a link to input-source file (it may not exist) and ensures
-        response status and source name. Returns id and name of created source.
+        It creates a link to input-source file (it may not exist), ensures
+        source name and response body. Returns id and name of created source.
         """
         if not source_name:
             # generate random name if it's not specified
             source_name = data_utils.rand_name('sahara-data-source')
 
         # create data source
-        resp, body = self.create_data_source(source_name, **source_body)
+        resp_body = self.create_data_source(source_name, **source_body)
 
         # ensure that source created successfully
-        self.assertEqual(202, resp.status)
-        self.assertEqual(source_name, body['name'])
+        self.assertEqual(source_name, resp_body['name'])
         if source_body['type'] == 'swift':
             source_body = self.swift_data_source
-        self.assertDictContainsSubset(source_body, body)
+        self.assertDictContainsSubset(source_body, resp_body)
 
-        return body['id'], source_name
+        return resp_body['id'], source_name
 
     def _list_data_sources(self, source_info):
         # check for data source in list
-        resp, sources = self.client.list_data_sources()
-        self.assertEqual(200, resp.status)
+        _, sources = self.client.list_data_sources()
         sources_info = [(source['id'], source['name']) for source in sources]
         self.assertIn(source_info, sources_info)
 
     def _get_data_source(self, source_id, source_name, source_body):
         # check data source fetch by id
-        resp, source = self.client.get_data_source(source_id)
-        self.assertEqual(200, resp.status)
+        _, source = self.client.get_data_source(source_id)
         self.assertEqual(source_name, source['name'])
         self.assertDictContainsSubset(source_body, source)
 
-    def _delete_data_source(self, source_id):
-        # delete the data source by id
-        resp = self.client.delete_data_source(source_id)[0]
-        self.assertEqual(204, resp.status)
-
     @test.attr(type='smoke')
     def test_swift_data_source_create(self):
         self._create_data_source(self.swift_data_source_with_creds)
 
     @test.attr(type='smoke')
     def test_swift_data_source_list(self):
-        source_info = self._create_data_source(
-            self.swift_data_source_with_creds)
+        source_info = (
+            self._create_data_source(self.swift_data_source_with_creds))
         self._list_data_sources(source_info)
 
     @test.attr(type='smoke')
     def test_swift_data_source_get(self):
-        source_id, source_name = self._create_data_source(
-            self.swift_data_source_with_creds)
+        source_id, source_name = (
+            self._create_data_source(self.swift_data_source_with_creds))
         self._get_data_source(source_id, source_name, self.swift_data_source)
 
     @test.attr(type='smoke')
     def test_swift_data_source_delete(self):
-        source_id = self._create_data_source(
-            self.swift_data_source_with_creds)[0]
-        self._delete_data_source(source_id)
+        source_id, _ = (
+            self._create_data_source(self.swift_data_source_with_creds))
+
+        # delete the data source by id
+        self.client.delete_data_source(source_id)
 
     @test.attr(type='smoke')
     def test_local_hdfs_data_source_create(self):
@@ -119,15 +113,17 @@
 
     @test.attr(type='smoke')
     def test_local_hdfs_data_source_get(self):
-        source_id, source_name = self._create_data_source(
-            self.local_hdfs_data_source)
+        source_id, source_name = (
+            self._create_data_source(self.local_hdfs_data_source))
         self._get_data_source(
             source_id, source_name, self.local_hdfs_data_source)
 
     @test.attr(type='smoke')
     def test_local_hdfs_data_source_delete(self):
-        source_id = self._create_data_source(self.local_hdfs_data_source)[0]
-        self._delete_data_source(source_id)
+        source_id, _ = self._create_data_source(self.local_hdfs_data_source)
+
+        # delete the data source by id
+        self.client.delete_data_source(source_id)
 
     @test.attr(type='smoke')
     def test_external_hdfs_data_source_create(self):
@@ -140,12 +136,14 @@
 
     @test.attr(type='smoke')
     def test_external_hdfs_data_source_get(self):
-        source_id, source_name = self._create_data_source(
-            self.external_hdfs_data_source)
+        source_id, source_name = (
+            self._create_data_source(self.external_hdfs_data_source))
         self._get_data_source(
             source_id, source_name, self.external_hdfs_data_source)
 
     @test.attr(type='smoke')
     def test_external_hdfs_data_source_delete(self):
-        source_id = self._create_data_source(self.external_hdfs_data_source)[0]
-        self._delete_data_source(source_id)
+        source_id, _ = self._create_data_source(self.external_hdfs_data_source)
+
+        # delete the data source by id
+        self.client.delete_data_source(source_id)
diff --git a/tempest/api/data_processing/test_job_binaries.py b/tempest/api/data_processing/test_job_binaries.py
index 689c1fe..15ee145 100644
--- a/tempest/api/data_processing/test_job_binaries.py
+++ b/tempest/api/data_processing/test_job_binaries.py
@@ -40,8 +40,8 @@
 
         name = data_utils.rand_name('sahara-internal-job-binary')
         cls.job_binary_data = 'Some script may be data'
-        job_binary_internal = cls.create_job_binary_internal(
-            name, cls.job_binary_data)[1]
+        job_binary_internal = (
+            cls.create_job_binary_internal(name, cls.job_binary_data))
         cls.internal_db_job_binary = {
             'url': 'internal-db://%s' % job_binary_internal['id'],
             'description': 'Test job binary',
@@ -50,26 +50,25 @@
     def _create_job_binary(self, binary_body, binary_name=None):
         """Creates Job Binary with optional name specified.
 
-        It creates a link to data (jar, pig files, etc.) and ensures response
-        status, job binary name and response body. Returns id and name of
-        created job binary. Data may not exist when using Swift
-        as data storage. In other cases data must exist in storage.
+        It creates a link to data (jar, pig files, etc.), ensures job binary
+        name and response body. Returns id and name of created job binary.
+        Data may not exist when using Swift as data storage.
+        In other cases data must exist in storage.
         """
         if not binary_name:
             # generate random name if it's not specified
             binary_name = data_utils.rand_name('sahara-job-binary')
 
         # create job binary
-        resp, body = self.create_job_binary(binary_name, **binary_body)
+        resp_body = self.create_job_binary(binary_name, **binary_body)
 
         # ensure that binary created successfully
-        self.assertEqual(202, resp.status)
-        self.assertEqual(binary_name, body['name'])
+        self.assertEqual(binary_name, resp_body['name'])
         if 'swift' in binary_body['url']:
             binary_body = self.swift_job_binary
-        self.assertDictContainsSubset(binary_body, body)
+        self.assertDictContainsSubset(binary_body, resp_body)
 
-        return body['id'], binary_name
+        return resp_body['id'], binary_name
 
     @test.attr(type='smoke')
     def test_swift_job_binary_create(self):
@@ -80,30 +79,27 @@
         binary_info = self._create_job_binary(self.swift_job_binary_with_extra)
 
         # check for job binary in list
-        resp, binaries = self.client.list_job_binaries()
-        self.assertEqual(200, resp.status)
+        _, binaries = self.client.list_job_binaries()
         binaries_info = [(binary['id'], binary['name']) for binary in binaries]
         self.assertIn(binary_info, binaries_info)
 
     @test.attr(type='smoke')
     def test_swift_job_binary_get(self):
-        binary_id, binary_name = self._create_job_binary(
-            self.swift_job_binary_with_extra)
+        binary_id, binary_name = (
+            self._create_job_binary(self.swift_job_binary_with_extra))
 
         # check job binary fetch by id
-        resp, binary = self.client.get_job_binary(binary_id)
-        self.assertEqual(200, resp.status)
+        _, binary = self.client.get_job_binary(binary_id)
         self.assertEqual(binary_name, binary['name'])
         self.assertDictContainsSubset(self.swift_job_binary, binary)
 
     @test.attr(type='smoke')
     def test_swift_job_binary_delete(self):
-        binary_id = self._create_job_binary(
-            self.swift_job_binary_with_extra)[0]
+        binary_id, _ = (
+            self._create_job_binary(self.swift_job_binary_with_extra))
 
         # delete the job binary by id
-        resp = self.client.delete_job_binary(binary_id)[0]
-        self.assertEqual(204, resp.status)
+        self.client.delete_job_binary(binary_id)
 
     @test.attr(type='smoke')
     def test_internal_db_job_binary_create(self):
@@ -114,35 +110,31 @@
         binary_info = self._create_job_binary(self.internal_db_job_binary)
 
         # check for job binary in list
-        resp, binaries = self.client.list_job_binaries()
-        self.assertEqual(200, resp.status)
+        _, binaries = self.client.list_job_binaries()
         binaries_info = [(binary['id'], binary['name']) for binary in binaries]
         self.assertIn(binary_info, binaries_info)
 
     @test.attr(type='smoke')
     def test_internal_db_job_binary_get(self):
-        binary_id, binary_name = self._create_job_binary(
-            self.internal_db_job_binary)
+        binary_id, binary_name = (
+            self._create_job_binary(self.internal_db_job_binary))
 
         # check job binary fetch by id
-        resp, binary = self.client.get_job_binary(binary_id)
-        self.assertEqual(200, resp.status)
+        _, binary = self.client.get_job_binary(binary_id)
         self.assertEqual(binary_name, binary['name'])
         self.assertDictContainsSubset(self.internal_db_job_binary, binary)
 
     @test.attr(type='smoke')
     def test_internal_db_job_binary_delete(self):
-        binary_id = self._create_job_binary(self.internal_db_job_binary)[0]
+        binary_id, _ = self._create_job_binary(self.internal_db_job_binary)
 
         # delete the job binary by id
-        resp = self.client.delete_job_binary(binary_id)[0]
-        self.assertEqual(204, resp.status)
+        self.client.delete_job_binary(binary_id)
 
     @test.attr(type='smoke')
     def test_job_binary_get_data(self):
-        binary_id = self._create_job_binary(self.internal_db_job_binary)[0]
+        binary_id, _ = self._create_job_binary(self.internal_db_job_binary)
 
         # get data of job binary by id
-        resp, data = self.client.get_job_binary_data(binary_id)
-        self.assertEqual(200, resp.status)
+        _, data = self.client.get_job_binary_data(binary_id)
         self.assertEqual(data, self.job_binary_data)
diff --git a/tempest/api/data_processing/test_job_binary_internals.py b/tempest/api/data_processing/test_job_binary_internals.py
index 6d59177..45e1140 100644
--- a/tempest/api/data_processing/test_job_binary_internals.py
+++ b/tempest/api/data_processing/test_job_binary_internals.py
@@ -29,23 +29,22 @@
     def _create_job_binary_internal(self, binary_name=None):
         """Creates Job Binary Internal with optional name specified.
 
-        It puts data into Sahara database and ensures response status and
-        job binary internal name. Returns id and name of created job binary
-        internal.
+        It puts data into Sahara database and ensures job binary internal name.
+        Returns id and name of created job binary internal.
         """
         if not binary_name:
             # generate random name if it's not specified
             binary_name = data_utils.rand_name('sahara-job-binary-internal')
 
         # create job binary internal
-        resp, body = self.create_job_binary_internal(
-            binary_name, self.job_binary_internal_data)
+        resp_body = (
+            self.create_job_binary_internal(binary_name,
+                                            self.job_binary_internal_data))
 
         # ensure that job binary internal created successfully
-        self.assertEqual(202, resp.status)
-        self.assertEqual(binary_name, body['name'])
+        self.assertEqual(binary_name, resp_body['name'])
 
-        return body['id'], binary_name
+        return resp_body['id'], binary_name
 
     @test.attr(type='smoke')
     def test_job_binary_internal_create(self):
@@ -56,8 +55,7 @@
         binary_info = self._create_job_binary_internal()
 
         # check for job binary internal in list
-        resp, binaries = self.client.list_job_binary_internals()
-        self.assertEqual(200, resp.status)
+        _, binaries = self.client.list_job_binary_internals()
         binaries_info = [(binary['id'], binary['name']) for binary in binaries]
         self.assertIn(binary_info, binaries_info)
 
@@ -66,23 +64,20 @@
         binary_id, binary_name = self._create_job_binary_internal()
 
         # check job binary internal fetch by id
-        resp, binary = self.client.get_job_binary_internal(binary_id)
-        self.assertEqual(200, resp.status)
+        _, binary = self.client.get_job_binary_internal(binary_id)
         self.assertEqual(binary_name, binary['name'])
 
     @test.attr(type='smoke')
     def test_job_binary_internal_delete(self):
-        binary_id = self._create_job_binary_internal()[0]
+        binary_id, _ = self._create_job_binary_internal()
 
         # delete the job binary internal by id
-        resp = self.client.delete_job_binary_internal(binary_id)[0]
-        self.assertEqual(204, resp.status)
+        self.client.delete_job_binary_internal(binary_id)
 
     @test.attr(type='smoke')
     def test_job_binary_internal_get_data(self):
-        binary_id = self._create_job_binary_internal()[0]
+        binary_id, _ = self._create_job_binary_internal()
 
         # get data of job binary internal by id
-        resp, data = self.client.get_job_binary_internal_data(binary_id)
-        self.assertEqual(200, resp.status)
+        _, data = self.client.get_job_binary_internal_data(binary_id)
         self.assertEqual(data, self.job_binary_internal_data)
diff --git a/tempest/api/data_processing/test_node_group_templates.py b/tempest/api/data_processing/test_node_group_templates.py
index 04f98b4..c2c0075 100644
--- a/tempest/api/data_processing/test_node_group_templates.py
+++ b/tempest/api/data_processing/test_node_group_templates.py
@@ -43,7 +43,7 @@
     def _create_node_group_template(self, template_name=None):
         """Creates Node Group Template with optional name specified.
 
-        It creates template and ensures response status and template name.
+        It creates template, ensures template name and response body.
         Returns id and name of created template.
         """
         if not template_name:
@@ -51,15 +51,14 @@
             template_name = data_utils.rand_name('sahara-ng-template')
 
         # create node group template
-        resp, body = self.create_node_group_template(
-            template_name, **self.node_group_template)
+        resp_body = self.create_node_group_template(template_name,
+                                                    **self.node_group_template)
 
         # ensure that template created successfully
-        self.assertEqual(202, resp.status)
-        self.assertEqual(template_name, body['name'])
-        self.assertDictContainsSubset(self.node_group_template, body)
+        self.assertEqual(template_name, resp_body['name'])
+        self.assertDictContainsSubset(self.node_group_template, resp_body)
 
-        return body['id'], template_name
+        return resp_body['id'], template_name
 
     @test.attr(type='smoke')
     def test_node_group_template_create(self):
@@ -70,8 +69,7 @@
         template_info = self._create_node_group_template()
 
         # check for node group template in list
-        resp, templates = self.client.list_node_group_templates()
-        self.assertEqual(200, resp.status)
+        _, templates = self.client.list_node_group_templates()
         templates_info = [(template['id'], template['name'])
                           for template in templates]
         self.assertIn(template_info, templates_info)
@@ -81,15 +79,13 @@
         template_id, template_name = self._create_node_group_template()
 
         # check node group template fetch by id
-        resp, template = self.client.get_node_group_template(template_id)
-        self.assertEqual(200, resp.status)
+        _, template = self.client.get_node_group_template(template_id)
         self.assertEqual(template_name, template['name'])
         self.assertDictContainsSubset(self.node_group_template, template)
 
     @test.attr(type='smoke')
     def test_node_group_template_delete(self):
-        template_id = self._create_node_group_template()[0]
+        template_id, _ = self._create_node_group_template()
 
         # delete the node group template by id
-        resp = self.client.delete_node_group_template(template_id)[0]
-        self.assertEqual(204, resp.status)
+        self.client.delete_node_group_template(template_id)
diff --git a/tempest/api/data_processing/test_plugins.py b/tempest/api/data_processing/test_plugins.py
index d643f23..9fd7a17 100644
--- a/tempest/api/data_processing/test_plugins.py
+++ b/tempest/api/data_processing/test_plugins.py
@@ -20,10 +20,9 @@
     def _list_all_plugin_names(self):
         """Returns all enabled plugin names.
 
-        It ensures response status and main plugins availability.
+        It ensures main plugins availability.
         """
-        resp, plugins = self.client.list_plugins()
-        self.assertEqual(200, resp.status)
+        _, plugins = self.client.list_plugins()
         plugins_names = [plugin['name'] for plugin in plugins]
         self.assertIn('vanilla', plugins_names)
         self.assertIn('hdp', plugins_names)
@@ -37,14 +36,12 @@
     @test.attr(type='smoke')
     def test_plugin_get(self):
         for plugin_name in self._list_all_plugin_names():
-            resp, plugin = self.client.get_plugin(plugin_name)
-            self.assertEqual(200, resp.status)
+            _, plugin = self.client.get_plugin(plugin_name)
             self.assertEqual(plugin_name, plugin['name'])
 
             for plugin_version in plugin['versions']:
-                resp, detailed_plugin = self.client.get_plugin(plugin_name,
-                                                               plugin_version)
-                self.assertEqual(200, resp.status)
+                _, detailed_plugin = self.client.get_plugin(plugin_name,
+                                                            plugin_version)
                 self.assertEqual(plugin_name, detailed_plugin['name'])
 
                 # check that required image tags contains name and version
diff --git a/tempest/api/identity/admin/v3/test_users.py b/tempest/api/identity/admin/v3/test_users.py
index 558575e..3c25819 100644
--- a/tempest/api/identity/admin/v3/test_users.py
+++ b/tempest/api/identity/admin/v3/test_users.py
@@ -65,6 +65,28 @@
         self.assertEqual('false', str(new_user_get['enabled']).lower())
 
     @test.attr(type='gate')
+    def test_update_user_password(self):
+        # Creating User to check password updation
+        u_name = data_utils.rand_name('user')
+        original_password = data_utils.rand_name('pass')
+        _, user = self.client.create_user(
+            u_name, password=original_password)
+        # Delete the User at the end all test methods
+        self.addCleanup(self.client.delete_user, user['id'])
+        # Update user with new password
+        new_password = data_utils.rand_name('pass1')
+        self.client.update_user_password(user['id'], new_password,
+                                         original_password)
+        resp, body = self.token.auth(user['id'], new_password)
+        self.assertEqual(201, resp.status)
+        subject_token = resp['x-subject-token']
+        # Perform GET Token to verify and confirm password is updated
+        _, 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)
+
+    @test.attr(type='gate')
     def test_list_user_projects(self):
         # List the projects that a user has access upon
         assigned_project_ids = list()
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index ae777eb..4226815 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -86,7 +86,8 @@
 
         # Verifying deletion
         _, images = self.client.image_list()
-        self.assertNotIn(image_id, images)
+        images_id = [item['id'] for item in images]
+        self.assertNotIn(image_id, images_id)
 
     @test.attr(type='gate')
     def test_update_image(self):
diff --git a/tempest/api/network/admin/test_quotas.py b/tempest/api/network/admin/test_quotas.py
index d1a8faf..9fa54b1 100644
--- a/tempest/api/network/admin/test_quotas.py
+++ b/tempest/api/network/admin/test_quotas.py
@@ -46,8 +46,7 @@
             raise cls.skipException(msg)
         cls.identity_admin_client = cls.os_adm.identity_client
 
-    @test.attr(type='gate')
-    def test_quotas(self):
+    def _check_quotas(self, new_quotas):
         # Add a tenant to conduct the test
         test_tenant = data_utils.rand_name('test_tenant_')
         test_description = data_utils.rand_name('desc_')
@@ -56,14 +55,15 @@
             description=test_description)
         tenant_id = tenant['id']
         self.addCleanup(self.identity_admin_client.delete_tenant, tenant_id)
+
         # Change quotas for tenant
-        new_quotas = {'network': 0, 'security_group': 0}
         resp, quota_set = self.admin_client.update_quotas(tenant_id,
                                                           **new_quotas)
         self.assertEqual('200', resp['status'])
         self.addCleanup(self.admin_client.reset_quotas, tenant_id)
-        self.assertEqual(0, quota_set['network'])
-        self.assertEqual(0, quota_set['security_group'])
+        for key, value in new_quotas.iteritems():
+            self.assertEqual(value, quota_set[key])
+
         # Confirm our tenant is listed among tenants with non default quotas
         resp, non_default_quotas = self.admin_client.list_quotas()
         self.assertEqual('200', resp['status'])
@@ -72,12 +72,14 @@
             if qs['tenant_id'] == tenant_id:
                 found = True
         self.assertTrue(found)
-        # Confirm from APi quotas were changed as requested for tenant
+
+        # Confirm from API quotas were changed as requested for tenant
         resp, quota_set = self.admin_client.show_quotas(tenant_id)
         quota_set = quota_set['quota']
         self.assertEqual('200', resp['status'])
-        self.assertEqual(0, quota_set['network'])
-        self.assertEqual(0, quota_set['security_group'])
+        for key, value in new_quotas.iteritems():
+            self.assertEqual(value, quota_set[key])
+
         # Reset quotas to default and confirm
         resp, body = self.admin_client.reset_quotas(tenant_id)
         self.assertEqual('204', resp['status'])
@@ -86,49 +88,14 @@
         for q in non_default_quotas['quotas']:
             self.assertNotEqual(tenant_id, q['tenant_id'])
 
+    @test.attr(type='gate')
+    def test_quotas(self):
+        new_quotas = {'network': 0, 'security_group': 0}
+        self._check_quotas(new_quotas)
+
     @test.requires_ext(extension='lbaas', service='network')
     @test.attr(type='gate')
     def test_lbaas_quotas(self):
-        # Add a tenant to conduct the test
-        test_tenant = data_utils.rand_name('test_tenant_')
-        test_description = data_utils.rand_name('desc_')
-        _, tenant = self.identity_admin_client.create_tenant(
-            name=test_tenant,
-            description=test_description)
-        tenant_id = tenant['id']
-        self.addCleanup(self.identity_admin_client.delete_tenant, tenant_id)
-        # Change lbaas quotas for tenant
         new_quotas = {'vip': 1, 'pool': 2,
                       'member': 3, 'health_monitor': 4}
-
-        resp, quota_set = self.admin_client.update_quotas(tenant_id,
-                                                          **new_quotas)
-        self.assertEqual('200', resp['status'])
-        self.addCleanup(self.admin_client.reset_quotas, tenant_id)
-        self.assertEqual(1, quota_set['vip'])
-        self.assertEqual(2, quota_set['pool'])
-        self.assertEqual(3, quota_set['member'])
-        self.assertEqual(4, quota_set['health_monitor'])
-        # Confirm our tenant is listed among tenants with non default quotas
-        resp, non_default_quotas = self.admin_client.list_quotas()
-        self.assertEqual('200', resp['status'])
-        found = False
-        for qs in non_default_quotas['quotas']:
-            if qs['tenant_id'] == tenant_id:
-                found = True
-        self.assertTrue(found)
-        # Confirm from APi quotas were changed as requested for tenant
-        resp, quota_set = self.admin_client.show_quotas(tenant_id)
-        quota_set = quota_set['quota']
-        self.assertEqual('200', resp['status'])
-        self.assertEqual(1, quota_set['vip'])
-        self.assertEqual(2, quota_set['pool'])
-        self.assertEqual(3, quota_set['member'])
-        self.assertEqual(4, quota_set['health_monitor'])
-        # Reset quotas to default and confirm
-        resp, body = self.admin_client.reset_quotas(tenant_id)
-        self.assertEqual('204', resp['status'])
-        resp, non_default_quotas = self.admin_client.list_quotas()
-        self.assertEqual('200', resp['status'])
-        for q in non_default_quotas['quotas']:
-            self.assertNotEqual(tenant_id, q['tenant_id'])
+        self._check_quotas(new_quotas)
diff --git a/tempest/api/orchestration/stacks/test_environment.py b/tempest/api/orchestration/stacks/test_environment.py
index bc46901..96e1c50 100644
--- a/tempest/api/orchestration/stacks/test_environment.py
+++ b/tempest/api/orchestration/stacks/test_environment.py
@@ -65,7 +65,10 @@
 
         # random_string.yaml specifies a length of 10
         random_value = self.get_stack_output(stack_identifier, 'random_value')
-        self.assertEqual(10, len(random_value))
+        random_string_template = self.load_template('random_string')
+        expected_length = random_string_template['parameters'][
+            'random_length']['default']
+        self.assertEqual(expected_length, len(random_value))
 
     @test.attr(type='gate')
     def test_files_provider_resource(self):
@@ -90,4 +93,7 @@
 
         # random_string.yaml specifies a length of 10
         random_value = self.get_stack_output(stack_identifier, 'random_value')
-        self.assertEqual(10, len(random_value))
+        random_string_template = self.load_template('random_string')
+        expected_length = random_string_template['parameters'][
+            'random_length']['default']
+        self.assertEqual(expected_length, len(random_value))
diff --git a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
index 336fc99..e22a08b 100644
--- a/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
+++ b/tempest/api/orchestration/stacks/test_nova_keypair_resources.py
@@ -23,6 +23,8 @@
 
 class NovaKeyPairResourcesYAMLTest(base.BaseOrchestrationTest):
     _tpl_type = 'yaml'
+    _resource = 'resources'
+    _type = 'type'
 
     @classmethod
     def setUpClass(cls):
@@ -49,8 +51,15 @@
     @test.attr(type='slow')
     def test_created_resources(self):
         """Verifies created keypair resource."""
-        resources = [('KeyPairSavePrivate', 'OS::Nova::KeyPair'),
-                     ('KeyPairDontSavePrivate', 'OS::Nova::KeyPair')]
+
+        nova_keypair_template = self.load_template('nova_keypair',
+                                                   ext=self._tpl_type)
+        resources = [('KeyPairSavePrivate',
+                      nova_keypair_template[self._resource][
+                      'KeyPairSavePrivate'][self._type]),
+                     ('KeyPairDontSavePrivate',
+                      nova_keypair_template[self._resource][
+                      'KeyPairDontSavePrivate'][self._type])]
 
         for resource_name, resource_type in resources:
             resource = self.test_resources.get(resource_name, None)
@@ -85,3 +94,5 @@
 
 class NovaKeyPairResourcesAWSTest(NovaKeyPairResourcesYAMLTest):
     _tpl_type = 'json'
+    _resource = 'Resources'
+    _type = 'Type'
diff --git a/tempest/api/orchestration/stacks/test_swift_resources.py b/tempest/api/orchestration/stacks/test_swift_resources.py
index 2ba2811..adab8c3 100644
--- a/tempest/api/orchestration/stacks/test_swift_resources.py
+++ b/tempest/api/orchestration/stacks/test_swift_resources.py
@@ -49,8 +49,11 @@
 
     def test_created_resources(self):
         """Created stack should be in the list of existing stacks."""
-        resources = [('SwiftContainer', 'OS::Swift::Container'),
-                     ('SwiftContainerWebsite', 'OS::Swift::Container')]
+        swift_basic_template = self.load_template('swift_basic')
+        resources = [('SwiftContainer', swift_basic_template['resources'][
+                      'SwiftContainer']['type']),
+                     ('SwiftContainerWebsite', swift_basic_template[
+                      'resources']['SwiftContainerWebsite']['type'])]
         for resource_name, resource_type in resources:
             resource = self.test_resources.get(resource_name)
             self.assertIsInstance(resource, dict)
@@ -84,10 +87,9 @@
             self.assertIn(h, headers)
 
     def test_metadata(self):
-        metadatas = {
-            "web-index": "index.html",
-            "web-error": "error.html"
-        }
+        swift_basic_template = self.load_template('swift_basic')
+        metadatas = swift_basic_template['resources']['SwiftContainerWebsite'][
+            'properties']['X-Container-Meta']
         swcont_website = self.test_resources.get(
             'SwiftContainerWebsite')['physical_resource_id']
         headers, _ = self.container_client.list_container_metadata(
diff --git a/tempest/api/volume/admin/test_multi_backend.py b/tempest/api/volume/admin/test_multi_backend.py
index e79d23c..d451517 100644
--- a/tempest/api/volume/admin/test_multi_backend.py
+++ b/tempest/api/volume/admin/test_multi_backend.py
@@ -36,42 +36,55 @@
 
         cls.volume_client = cls.os_adm.volumes_client
         cls.volume_type_id_list = []
-        cls.volume_id_list = []
+        cls.volume_id_list_with_prefix = []
+        cls.volume_id_list_without_prefix = []
 
-        # Volume/Type creation (uses backend1_name)
-        type1_name = data_utils.rand_name('Type-')
-        vol1_name = data_utils.rand_name('Volume-')
-        extra_specs1 = {"volume_backend_name": cls.backend1_name}
-        resp, cls.type1 = cls.client.create_volume_type(
-            type1_name, extra_specs=extra_specs1)
-        cls.volume_type_id_list.append(cls.type1['id'])
-
-        resp, cls.volume1 = cls.volume_client.create_volume(
-            size=1, display_name=vol1_name, volume_type=type1_name)
-        cls.volume_id_list.append(cls.volume1['id'])
-        cls.volume_client.wait_for_volume_status(cls.volume1['id'],
-                                                 'available')
+        # Volume/Type creation (uses volume_backend_name)
+        cls._create_type_and_volume(cls.backend1_name, False)
+        # Volume/Type creation (uses capabilities:volume_backend_name)
+        cls._create_type_and_volume(cls.backend1_name, True)
 
         if cls.backend1_name != cls.backend2_name:
             # Volume/Type creation (uses backend2_name)
-            type2_name = data_utils.rand_name('Type-')
-            vol2_name = data_utils.rand_name('Volume-')
-            extra_specs2 = {"volume_backend_name": cls.backend2_name}
-            resp, cls.type2 = cls.client.create_volume_type(
-                type2_name, extra_specs=extra_specs2)
-            cls.volume_type_id_list.append(cls.type2['id'])
+            cls._create_type_and_volume(cls.backend2_name, False)
+            # Volume/Type creation (uses capabilities:volume_backend_name)
+            cls._create_type_and_volume(cls.backend2_name, True)
 
-            resp, cls.volume2 = cls.volume_client.create_volume(
-                size=1, display_name=vol2_name, volume_type=type2_name)
-            cls.volume_id_list.append(cls.volume2['id'])
-            cls.volume_client.wait_for_volume_status(cls.volume2['id'],
-                                                     'available')
+    @classmethod
+    def _create_type_and_volume(self, backend_name_key, with_prefix):
+        # Volume/Type creation
+        type_name = data_utils.rand_name('Type')
+        vol_name = data_utils.rand_name('Volume')
+        spec_key_with_prefix = "capabilities:volume_backend_name"
+        spec_key_without_prefix = "volume_backend_name"
+        if with_prefix:
+            extra_specs = {spec_key_with_prefix: backend_name_key}
+        else:
+            extra_specs = {spec_key_without_prefix: backend_name_key}
+        resp, self.type = self.client.create_volume_type(
+            type_name, extra_specs=extra_specs)
+        self.volume_type_id_list.append(self.type['id'])
+
+        resp, self.volume = self.volume_client.create_volume(
+            size=1, display_name=vol_name, volume_type=type_name)
+        self.volume_client.wait_for_volume_status(
+            self.volume['id'], 'available')
+        if with_prefix:
+            self.volume_id_list_with_prefix.append(self.volume['id'])
+        else:
+            self.volume_id_list_without_prefix.append(
+                self.volume['id'])
 
     @classmethod
     def tearDownClass(cls):
         # volumes deletion
-        volume_id_list = getattr(cls, 'volume_id_list', [])
-        for volume_id in volume_id_list:
+        vid_prefix = getattr(cls, 'volume_id_list_with_prefix', [])
+        for volume_id in vid_prefix:
+            cls.volume_client.delete_volume(volume_id)
+            cls.volume_client.wait_for_resource_deletion(volume_id)
+
+        vid_no_pre = getattr(cls, 'volume_id_list_without_prefix', [])
+        for volume_id in vid_no_pre:
             cls.volume_client.delete_volume(volume_id)
             cls.volume_client.wait_for_resource_deletion(volume_id)
 
@@ -84,32 +97,57 @@
 
     @test.attr(type='smoke')
     def test_backend_name_reporting(self):
+        # get volume id which created by type without prefix
+        volume_id = self.volume_id_list_without_prefix[0]
+        self._test_backend_name_reporting_by_volume_id(volume_id)
+
+    @test.attr(type='smoke')
+    def test_backend_name_reporting_with_prefix(self):
+        # get volume id which created by type with prefix
+        volume_id = self.volume_id_list_with_prefix[0]
+        self._test_backend_name_reporting_by_volume_id(volume_id)
+
+    @test.attr(type='gate')
+    def test_backend_name_distinction(self):
+        if self.backend1_name == self.backend2_name:
+            raise self.skipException("backends configured with same name")
+        # get volume id which created by type without prefix
+        volume1_id = self.volume_id_list_without_prefix[0]
+        volume2_id = self.volume_id_list_without_prefix[1]
+        self._test_backend_name_distinction(volume1_id, volume2_id)
+
+    @test.attr(type='gate')
+    def test_backend_name_distinction_with_prefix(self):
+        if self.backend1_name == self.backend2_name:
+            raise self.skipException("backends configured with same name")
+        # get volume id which created by type without prefix
+        volume1_id = self.volume_id_list_with_prefix[0]
+        volume2_id = self.volume_id_list_with_prefix[1]
+        self._test_backend_name_distinction(volume1_id, volume2_id)
+
+    def _test_backend_name_reporting_by_volume_id(self, volume_id):
         # this test checks if os-vol-attr:host is populated correctly after
         # the multi backend feature has been enabled
         # if multi-backend is enabled: os-vol-attr:host should be like:
         # host@backend_name
-        resp, volume = self.volume_client.get_volume(self.volume1['id'])
+        resp, volume = self.volume_client.get_volume(volume_id)
         self.assertEqual(200, resp.status)
 
         volume1_host = volume['os-vol-host-attr:host']
         msg = ("multi-backend reporting incorrect values for volume %s" %
-               self.volume1['id'])
+               volume_id)
         self.assertTrue(len(volume1_host.split("@")) > 1, msg)
 
-    @test.attr(type='gate')
-    def test_backend_name_distinction(self):
+    def _test_backend_name_distinction(self, volume1_id, volume2_id):
         # this test checks that the two volumes created at setUp don't
         # belong to the same backend (if they are, than the
         # volume backend distinction is not working properly)
-        if self.backend1_name == self.backend2_name:
-            raise self.skipException("backends configured with same name")
-
-        resp, volume = self.volume_client.get_volume(self.volume1['id'])
+        resp, volume = self.volume_client.get_volume(volume1_id)
         volume1_host = volume['os-vol-host-attr:host']
 
-        resp, volume = self.volume_client.get_volume(self.volume2['id'])
+        resp, volume = self.volume_client.get_volume(volume2_id)
         volume2_host = volume['os-vol-host-attr:host']
 
         msg = ("volumes %s and %s were created in the same backend" %
-               (self.volume1['id'], self.volume2['id']))
+               (volume1_id, volume2_id))
         self.assertNotEqual(volume1_host, volume2_host, msg)
diff --git a/tempest/cmd/javelin.py b/tempest/cmd/javelin.py
index ca79cf1..c1a2e46 100755
--- a/tempest/cmd/javelin.py
+++ b/tempest/cmd/javelin.py
@@ -244,9 +244,13 @@
             r, found = client.servers.get_server(found['id'])
             # get the ipv4 address
             addr = found['addresses']['private'][0]['addr']
-            self.assertEqual(os.system("ping -c 1 " + addr), 0,
-                             "Server %s is not pingable at %s" % (
-                                 server['name'], addr))
+            for count in range(60):
+                return_code = os.system("ping -c1 " + addr)
+                if return_code is 0:
+                    break
+            self.assertNotEqual(count, 59,
+                               "Server %s is not pingable at %s" % (
+                               server['name'], addr))
 
     def check_volumes(self):
         """Check that the volumes are still there and attached."""
@@ -553,6 +557,9 @@
 
     if OPTS.mode == 'create':
         create_resources()
+        # Make sure the resources we just created actually work
+        checker = JavelinCheck(USERS, RES)
+        checker.check()
     elif OPTS.mode == 'check':
         collect_users(RES['users'])
         checker = JavelinCheck(USERS, RES)
diff --git a/tempest/services/data_processing/v1_1/client.py b/tempest/services/data_processing/v1_1/client.py
index c2c7fd1..1fe0cf1 100644
--- a/tempest/services/data_processing/v1_1/client.py
+++ b/tempest/services/data_processing/v1_1/client.py
@@ -25,29 +25,42 @@
         super(DataProcessingClient, self).__init__(auth_provider)
         self.service = CONF.data_processing.catalog_type
 
-    @classmethod
-    def _request_and_parse(cls, req_fun, uri, res_name, *args, **kwargs):
-        """Make a request using specified req_fun and parse response.
+    def _request_and_check_resp(self, request_func, uri, resp_status):
+        """Make a request using specified request_func and check response
+        status code.
+
+        It returns pair: resp and response body.
+        """
+        resp, body = request_func(uri)
+        self.expected_success(resp_status, resp.status)
+        return resp, body
+
+    def _request_check_and_parse_resp(self, request_func, uri, resp_status,
+                                      resource_name, *args, **kwargs):
+        """Make a request using specified request_func, check response status
+        code and parse response body.
 
         It returns pair: resp and parsed resource(s) body.
         """
-        resp, body = req_fun(uri, headers={
-            'Content-Type': 'application/json'
-        }, *args, **kwargs)
+        headers = {'Content-Type': 'application/json'}
+        resp, body = request_func(uri, headers=headers, *args, **kwargs)
+        self.expected_success(resp_status, resp.status)
         body = json.loads(body)
-        return resp, body[res_name]
+        return resp, body[resource_name]
 
     def list_node_group_templates(self):
         """List all node group templates for a user."""
 
         uri = 'node-group-templates'
-        return self._request_and_parse(self.get, uri, 'node_group_templates')
+        return self._request_check_and_parse_resp(self.get, uri,
+                                                  200, 'node_group_templates')
 
     def get_node_group_template(self, tmpl_id):
         """Returns the details of a single node group template."""
 
         uri = 'node-group-templates/%s' % tmpl_id
-        return self._request_and_parse(self.get, uri, 'node_group_template')
+        return self._request_check_and_parse_resp(self.get, uri,
+                                                  200, 'node_group_template')
 
     def create_node_group_template(self, name, plugin_name, hadoop_version,
                                    node_processes, flavor_id,
@@ -67,20 +80,22 @@
             'flavor_id': flavor_id,
             'node_configs': node_configs or dict(),
         })
-        return self._request_and_parse(self.post, uri, 'node_group_template',
-                                       body=json.dumps(body))
+        return self._request_check_and_parse_resp(self.post, uri, 202,
+                                                  'node_group_template',
+                                                  body=json.dumps(body))
 
     def delete_node_group_template(self, tmpl_id):
         """Deletes the specified node group template by id."""
 
         uri = 'node-group-templates/%s' % tmpl_id
-        return self.delete(uri)
+        return self._request_and_check_resp(self.delete, uri, 204)
 
     def list_plugins(self):
         """List all enabled plugins."""
 
         uri = 'plugins'
-        return self._request_and_parse(self.get, uri, 'plugins')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'plugins')
 
     def get_plugin(self, plugin_name, plugin_version=None):
         """Returns the details of a single plugin."""
@@ -88,19 +103,21 @@
         uri = 'plugins/%s' % plugin_name
         if plugin_version:
             uri += '/%s' % plugin_version
-        return self._request_and_parse(self.get, uri, 'plugin')
+        return self._request_check_and_parse_resp(self.get, uri, 200, 'plugin')
 
     def list_cluster_templates(self):
         """List all cluster templates for a user."""
 
         uri = 'cluster-templates'
-        return self._request_and_parse(self.get, uri, 'cluster_templates')
+        return self._request_check_and_parse_resp(self.get, uri,
+                                                  200, 'cluster_templates')
 
     def get_cluster_template(self, tmpl_id):
         """Returns the details of a single cluster template."""
 
         uri = 'cluster-templates/%s' % tmpl_id
-        return self._request_and_parse(self.get, uri, 'cluster_template')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'cluster_template')
 
     def create_cluster_template(self, name, plugin_name, hadoop_version,
                                 node_groups, cluster_configs=None,
@@ -119,26 +136,29 @@
             'node_groups': node_groups,
             'cluster_configs': cluster_configs or dict(),
         })
-        return self._request_and_parse(self.post, uri, 'cluster_template',
-                                       body=json.dumps(body))
+        return self._request_check_and_parse_resp(self.post, uri, 202,
+                                                  'cluster_template',
+                                                  body=json.dumps(body))
 
     def delete_cluster_template(self, tmpl_id):
         """Deletes the specified cluster template by id."""
 
         uri = 'cluster-templates/%s' % tmpl_id
-        return self.delete(uri)
+        return self._request_and_check_resp(self.delete, uri, 204)
 
     def list_data_sources(self):
         """List all data sources for a user."""
 
         uri = 'data-sources'
-        return self._request_and_parse(self.get, uri, 'data_sources')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'data_sources')
 
     def get_data_source(self, source_id):
         """Returns the details of a single data source."""
 
         uri = 'data-sources/%s' % source_id
-        return self._request_and_parse(self.get, uri, 'data_source')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'data_source')
 
     def create_data_source(self, name, data_source_type, url, **kwargs):
         """Creates data source with specified params.
@@ -153,57 +173,62 @@
             'type': data_source_type,
             'url': url
         })
-        return self._request_and_parse(self.post, uri, 'data_source',
-                                       body=json.dumps(body))
+        return self._request_check_and_parse_resp(self.post, uri,
+                                                  202, 'data_source',
+                                                  body=json.dumps(body))
 
     def delete_data_source(self, source_id):
         """Deletes the specified data source by id."""
 
         uri = 'data-sources/%s' % source_id
-        return self.delete(uri)
+        return self._request_and_check_resp(self.delete, uri, 204)
 
     def list_job_binary_internals(self):
         """List all job binary internals for a user."""
 
         uri = 'job-binary-internals'
-        return self._request_and_parse(self.get, uri, 'binaries')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'binaries')
 
     def get_job_binary_internal(self, job_binary_id):
         """Returns the details of a single job binary internal."""
 
         uri = 'job-binary-internals/%s' % job_binary_id
-        return self._request_and_parse(self.get, uri, 'job_binary_internal')
+        return self._request_check_and_parse_resp(self.get, uri,
+                                                  200, 'job_binary_internal')
 
     def create_job_binary_internal(self, name, data):
         """Creates job binary internal with specified params."""
 
         uri = 'job-binary-internals/%s' % name
-        return self._request_and_parse(self.put, uri, 'job_binary_internal',
-                                       data)
+        return self._request_check_and_parse_resp(self.put, uri, 202,
+                                                  'job_binary_internal', data)
 
     def delete_job_binary_internal(self, job_binary_id):
         """Deletes the specified job binary internal by id."""
 
         uri = 'job-binary-internals/%s' % job_binary_id
-        return self.delete(uri)
+        return self._request_and_check_resp(self.delete, uri, 204)
 
     def get_job_binary_internal_data(self, job_binary_id):
         """Returns data of a single job binary internal."""
 
         uri = 'job-binary-internals/%s/data' % job_binary_id
-        return self.get(uri)
+        return self._request_and_check_resp(self.get, uri, 200)
 
     def list_job_binaries(self):
         """List all job binaries for a user."""
 
         uri = 'job-binaries'
-        return self._request_and_parse(self.get, uri, 'binaries')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'binaries')
 
     def get_job_binary(self, job_binary_id):
         """Returns the details of a single job binary."""
 
         uri = 'job-binaries/%s' % job_binary_id
-        return self._request_and_parse(self.get, uri, 'job_binary')
+        return self._request_check_and_parse_resp(self.get,
+                                                  uri, 200, 'job_binary')
 
     def create_job_binary(self, name, url, extra=None, **kwargs):
         """Creates job binary with specified params.
@@ -218,17 +243,18 @@
             'url': url,
             'extra': extra or dict(),
         })
-        return self._request_and_parse(self.post, uri, 'job_binary',
-                                       body=json.dumps(body))
+        return self._request_check_and_parse_resp(self.post, uri,
+                                                  202, 'job_binary',
+                                                  body=json.dumps(body))
 
     def delete_job_binary(self, job_binary_id):
         """Deletes the specified job binary by id."""
 
         uri = 'job-binaries/%s' % job_binary_id
-        return self.delete(uri)
+        return self._request_and_check_resp(self.delete, uri, 204)
 
     def get_job_binary_data(self, job_binary_id):
         """Returns data of a single job binary."""
 
         uri = 'job-binaries/%s/data' % job_binary_id
-        return self.get(uri)
+        return self._request_and_check_resp(self.get, uri, 200)
diff --git a/tempest/services/identity/v3/json/identity_client.py b/tempest/services/identity/v3/json/identity_client.py
index 593bd15..0188c2a 100644
--- a/tempest/services/identity/v3/json/identity_client.py
+++ b/tempest/services/identity/v3/json/identity_client.py
@@ -77,6 +77,17 @@
         body = json.loads(body)
         return resp, body['user']
 
+    def update_user_password(self, user_id, password, original_password):
+        """Updates a user password."""
+        update_user = {
+            'password': password,
+            'original_password': original_password
+        }
+        update_user = json.dumps({'user': update_user})
+        resp, _ = self.post('users/%s/password' % user_id, update_user)
+        self.expected_success(204, resp.status)
+        return resp
+
     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)
diff --git a/tempest/services/identity/v3/xml/identity_client.py b/tempest/services/identity/v3/xml/identity_client.py
index 3790f13..f3e084e 100644
--- a/tempest/services/identity/v3/xml/identity_client.py
+++ b/tempest/services/identity/v3/xml/identity_client.py
@@ -139,6 +139,17 @@
         body = self._parse_body(etree.fromstring(body))
         return resp, body
 
+    def update_user_password(self, user_id, password, original_password):
+        """Updates a user password."""
+        update_user = common.Element("user",
+                                     xmlns=XMLNS,
+                                     password=password,
+                                     original_password=original_password)
+        resp, _ = self.post('users/%s/password' % user_id,
+                            str(common.Document(update_user)))
+        self.expected_success(204, resp.status)
+        return resp
+
     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)