diff --git a/tempest/api/compute/admin/test_aggregates.py b/tempest/api/compute/admin/test_aggregates.py
index 08d8a0d..4818aa6 100644
--- a/tempest/api/compute/admin/test_aggregates.py
+++ b/tempest/api/compute/admin/test_aggregates.py
@@ -47,7 +47,7 @@
         resp, aggregate = self.client.create_aggregate(name=aggregate_name)
         self.assertEqual(200, resp.status)
         self.assertEqual(aggregate_name, aggregate['name'])
-        self.assertEqual(None, aggregate['availability_zone'])
+        self.assertIsNone(aggregate['availability_zone'])
 
         resp, _ = self.client.delete_aggregate(aggregate['id'])
         self.assertEqual(200, resp.status)
@@ -175,7 +175,7 @@
         self.assertEqual(1, len(aggs))
         agg = aggs[0]
         self.assertEqual(aggregate_name, agg['name'])
-        self.assertEqual(None, agg['availability_zone'])
+        self.assertIsNone(agg['availability_zone'])
         self.assertIn(self.host, agg['hosts'])
 
     @attr(type='gate')
@@ -190,7 +190,7 @@
 
         resp, body = self.client.get_aggregate(aggregate['id'])
         self.assertEqual(aggregate_name, body['name'])
-        self.assertEqual(None, body['availability_zone'])
+        self.assertIsNone(body['availability_zone'])
         self.assertIn(self.host, body['hosts'])
 
     @attr(type='gate')
diff --git a/tempest/api/compute/v3/admin/test_aggregates.py b/tempest/api/compute/v3/admin/test_aggregates.py
index a00a5b5..e5ec08b 100644
--- a/tempest/api/compute/v3/admin/test_aggregates.py
+++ b/tempest/api/compute/v3/admin/test_aggregates.py
@@ -46,7 +46,7 @@
         resp, aggregate = self.client.create_aggregate(name=aggregate_name)
         self.assertEqual(201, resp.status)
         self.assertEqual(aggregate_name, aggregate['name'])
-        self.assertEqual(None, aggregate['availability_zone'])
+        self.assertIsNone(aggregate['availability_zone'])
 
         resp, _ = self.client.delete_aggregate(aggregate['id'])
         self.assertEqual(204, resp.status)
@@ -175,7 +175,7 @@
         self.assertEqual(1, len(aggs))
         agg = aggs[0]
         self.assertEqual(aggregate_name, agg['name'])
-        self.assertEqual(None, agg['availability_zone'])
+        self.assertIsNone(agg['availability_zone'])
         self.assertIn(self.host, agg['hosts'])
 
     @test.attr(type='gate')
@@ -190,7 +190,7 @@
 
         resp, body = self.client.get_aggregate(aggregate['id'])
         self.assertEqual(aggregate_name, body['name'])
-        self.assertEqual(None, body['availability_zone'])
+        self.assertIsNone(body['availability_zone'])
         self.assertIn(self.host, body['hosts'])
 
     @test.attr(type='gate')
diff --git a/tempest/api/image/v2/test_images.py b/tempest/api/image/v2/test_images.py
index 2a5401f..759c4a9 100644
--- a/tempest/api/image/v2/test_images.py
+++ b/tempest/api/image/v2/test_images.py
@@ -70,7 +70,7 @@
 
     @attr(type='gate')
     def test_delete_image(self):
-        # Deletes a image by image_id
+        # Deletes an image by image_id
 
         # Create image
         image_name = data_utils.rand_name('image')
@@ -90,6 +90,43 @@
         self.assertEqual(resp.status, 200)
         self.assertNotIn(image_id, images)
 
+    @attr(type='gate')
+    def test_update_image(self):
+        # Updates an image by image_id
+
+        # Create image
+        image_name = data_utils.rand_name('image')
+        resp, body = self.client.create_image(name=image_name,
+                                              container_format='bare',
+                                              disk_format='iso',
+                                              visibility='public')
+        self.assertEqual(201, resp.status)
+        self.assertEqual('queued', body['status'])
+        image_id = body['id']
+
+        # Now try uploading an image file
+        file_content = '*' * 1024
+        image_file = StringIO.StringIO(file_content)
+        resp, body = self.client.store_image(image_id, image_file)
+        self.assertEqual(204, resp.status)
+
+        # Update Image
+        new_image_name = data_utils.rand_name('new-image')
+        new_visibility = 'private'
+        resp, body = self.client.update_image(image_id, [
+            dict(replace='/name', value=new_image_name),
+            dict(replace='/visibility', value=new_visibility)])
+
+        self.assertEqual(200, resp.status)
+
+        # Verifying updating
+
+        resp, body = self.client.get_image(image_id)
+        self.assertEqual(200, resp.status)
+        self.assertEqual(image_id, body['id'])
+        self.assertEqual(new_image_name, body['name'])
+        self.assertEqual(new_visibility, body['visibility'])
+
 
 class ListImagesTest(base.BaseV2ImageTest):
     """
diff --git a/tempest/api/image/v2/test_images_member.py b/tempest/api/image/v2/test_images_member.py
index 41fc49d..530262f 100644
--- a/tempest/api/image/v2/test_images_member.py
+++ b/tempest/api/image/v2/test_images_member.py
@@ -22,6 +22,7 @@
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
                                                      self.alt_tenant_id)
+        self.assertEqual(200, resp.status)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
@@ -30,7 +31,8 @@
                                                  self.alt_tenant_id,
                                                  'accepted')
         self.assertIn(image_id, self._list_image_ids_as_alt())
-        _, body = self.os_img_client.get_image_membership(image_id)
+        resp, body = self.os_img_client.get_image_membership(image_id)
+        self.assertEqual(200, resp.status)
         members = body['members']
         member = members[0]
         self.assertEqual(len(members), 1, str(members))
@@ -43,11 +45,44 @@
         image_id = self._create_image()
         resp, member = self.os_img_client.add_member(image_id,
                                                      self.alt_tenant_id)
+        self.assertEqual(200, resp.status)
         self.assertEqual(member['member_id'], self.alt_tenant_id)
         self.assertEqual(member['image_id'], image_id)
         self.assertEqual(member['status'], 'pending')
         self.assertNotIn(image_id, self._list_image_ids_as_alt())
+        resp, _ = self.alt_img_client.update_member_status(image_id,
+                                                           self.alt_tenant_id,
+                                                           'rejected')
+        self.assertEqual(200, resp.status)
+        self.assertNotIn(image_id, self._list_image_ids_as_alt())
+
+    @attr(type='gate')
+    def test_get_image_member(self):
+        image_id = self._create_image()
+        self.os_img_client.add_member(image_id,
+                                      self.alt_tenant_id)
         self.alt_img_client.update_member_status(image_id,
                                                  self.alt_tenant_id,
-                                                 'rejected')
+                                                 'accepted')
+
+        self.assertIn(image_id, self._list_image_ids_as_alt())
+        resp, member = self.os_img_client.get_member(image_id,
+                                                     self.alt_tenant_id)
+        self.assertEqual(200, resp.status)
+        self.assertEqual(self.alt_tenant_id, member['member_id'])
+        self.assertEqual(image_id, member['image_id'])
+        self.assertEqual('accepted', member['status'])
+
+    @attr(type='gate')
+    def test_remove_image_member(self):
+        image_id = self._create_image()
+        self.os_img_client.add_member(image_id,
+                                      self.alt_tenant_id)
+        self.alt_img_client.update_member_status(image_id,
+                                                 self.alt_tenant_id,
+                                                 'accepted')
+
+        self.assertIn(image_id, self._list_image_ids_as_alt())
+        resp = self.os_img_client.remove_member(image_id, self.alt_tenant_id)
+        self.assertEqual(204, resp.status)
         self.assertNotIn(image_id, self._list_image_ids_as_alt())
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index 3e621f4..291f0d1 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -135,7 +135,7 @@
             # the cause of the server not signalling the waitcondition
             # to heat.
             resp, body = cls.client.get_resource(cls.stack_identifier,
-                                                 'SmokeServerNeutron')
+                                                 'Server')
             server_id = body['physical_resource_id']
             LOG.debug('Console output for %s', server_id)
             resp, output = cls.servers_client.get_console_output(
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 4c3a01c..1b1ddab 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -606,7 +606,7 @@
         :param floating_ip: type DeletableFloatingIp
         """
         floating_ip.update(port_id=None)
-        self.assertEqual(None, floating_ip.port_id)
+        self.assertIsNone(floating_ip.port_id)
         return floating_ip
 
     def _ping_ip_address(self, ip_address, should_succeed=True):
diff --git a/tempest/services/image/v2/json/image_client.py b/tempest/services/image/v2/json/image_client.py
index 58819d0..30c6ffc 100644
--- a/tempest/services/image/v2/json/image_client.py
+++ b/tempest/services/image/v2/json/image_client.py
@@ -68,6 +68,15 @@
                 self._http = self._get_http()
         return self._http
 
+    def update_image(self, image_id, patch):
+        data = json.dumps(patch)
+        self._validate_schema(data)
+
+        headers = {"Content-Type": "application/openstack-images-v2.0"
+                                   "-json-patch"}
+        resp, body = self.patch('v2/images/%s' % image_id, data, headers)
+        return resp, self._parse_resp(body)
+
     def create_image(self, name, container_format, disk_format, **kwargs):
         params = {
             "name": name,
@@ -163,3 +172,15 @@
         body = json.loads(body)
         self.expected_success(200, resp)
         return resp, body
+
+    def get_member(self, image_id, member_id):
+        url = 'v2/images/%s/members/%s' % (image_id, member_id)
+        resp, body = self.get(url)
+        self.expected_success(200, resp)
+        return resp, json.loads(body)
+
+    def remove_member(self, image_id, member_id):
+        url = 'v2/images/%s/members/%s' % (image_id, member_id)
+        resp, _ = self.delete(url)
+        self.expected_success(204, resp)
+        return resp
diff --git a/tempest/thirdparty/boto/test_ec2_keys.py b/tempest/thirdparty/boto/test_ec2_keys.py
index 37484cf..dec0170 100644
--- a/tempest/thirdparty/boto/test_ec2_keys.py
+++ b/tempest/thirdparty/boto/test_ec2_keys.py
@@ -48,7 +48,7 @@
         key_name = data_utils.rand_name("keypair-")
         self.client.create_key_pair(key_name)
         self.client.delete_key_pair(key_name)
-        self.assertEqual(None, self.client.get_key_pair(key_name))
+        self.assertIsNone(self.client.get_key_pair(key_name))
 
     @test.attr(type='smoke')
     def test_get_ec2_keypair(self):