diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index f6a6040..d7e01f0 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -318,12 +318,7 @@
     def rebuild_server(cls, server_id, validatable=False, **kwargs):
         # Destroy an existing server and creates a new one
         if server_id:
-            try:
-                cls.servers_client.delete_server(server_id)
-                waiters.wait_for_server_termination(cls.servers_client,
-                                                    server_id)
-            except Exception:
-                LOG.exception('Failed to delete server %s' % server_id)
+            cls.delete_server(server_id)
 
         cls.password = data_utils.rand_password()
         server = cls.create_test_server(
diff --git a/tempest/api/compute/security_groups/test_security_group_rules_negative.py b/tempest/api/compute/security_groups/test_security_group_rules_negative.py
index 4f53663..32b3ea3 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules_negative.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules_negative.py
@@ -35,7 +35,6 @@
     @classmethod
     def setup_clients(cls):
         super(SecurityGroupRulesNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.security_groups_client
         cls.rules_client = cls.security_group_rules_client
 
     @test.attr(type=['negative'])
diff --git a/tempest/api/compute/servers/test_create_server.py b/tempest/api/compute/servers/test_create_server.py
index 2f43157..82ebcd0 100644
--- a/tempest/api/compute/servers/test_create_server.py
+++ b/tempest/api/compute/servers/test_create_server.py
@@ -19,7 +19,6 @@
 from tempest.api.compute import base
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
-from tempest.common import waiters
 from tempest import config
 from tempest import test
 
@@ -178,12 +177,7 @@
         # when trying to delete the subnet. The tear down in the base class
         # will try to delete the server and get a 404 but it's ignored so
         # we're OK.
-        def cleanup_server():
-            self.client.delete_server(server_multi_nics['id'])
-            waiters.wait_for_server_termination(self.client,
-                                                server_multi_nics['id'])
-
-        self.addCleanup(cleanup_server)
+        self.addCleanup(self.delete_server, server_multi_nics['id'])
 
         addresses = (self.client.list_addresses(server_multi_nics['id'])
                      ['addresses'])
@@ -215,13 +209,7 @@
 
         server_multi_nics = self.create_test_server(
             networks=networks, wait_until='ACTIVE')
-
-        def cleanup_server():
-            self.client.delete_server(server_multi_nics['id'])
-            waiters.wait_for_server_termination(self.client,
-                                                server_multi_nics['id'])
-
-        self.addCleanup(cleanup_server)
+        self.addCleanup(self.delete_server, server_multi_nics['id'])
 
         addresses = (self.client.list_addresses(server_multi_nics['id'])
                      ['addresses'])
diff --git a/tempest/api/compute/volumes/test_attach_volume_negative.py b/tempest/api/compute/volumes/test_attach_volume_negative.py
index b7fa0fe..1f18bfe 100644
--- a/tempest/api/compute/volumes/test_attach_volume_negative.py
+++ b/tempest/api/compute/volumes/test_attach_volume_negative.py
@@ -29,6 +29,7 @@
             skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
             raise cls.skipException(skip_msg)
 
+    @test.related_bug('1630783', status_code=500)
     @test.idempotent_id('a313b5cd-fbd0-49cc-94de-870e99f763c7')
     def test_delete_attached_volume(self):
         server = self.create_test_server(wait_until='ACTIVE')
diff --git a/tempest/test.py b/tempest/test.py
index 057e278..51f0a6a 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -141,6 +141,28 @@
     return False
 
 
+def related_bug(bug, status_code=None):
+    """A decorator useful to know solutions from launchpad bug reports
+
+    @param bug: The launchpad bug number causing the test
+    @param status_code: The status code related to the bug report
+    """
+    def decorator(f):
+        @functools.wraps(f)
+        def wrapper(self, *func_args, **func_kwargs):
+            try:
+                return f(self, *func_args, **func_kwargs)
+            except Exception as exc:
+                exc_status_code = getattr(exc, 'status_code', None)
+                if status_code is None or status_code == exc_status_code:
+                    LOG.error('Hints: This test was made for the bug %s. '
+                              'The failure could be related to '
+                              'https://launchpad.net/bugs/%s' % (bug, bug))
+                raise exc
+        return wrapper
+    return decorator
+
+
 def is_scheduler_filter_enabled(filter_name):
     """Check the list of enabled compute scheduler filters from config. """
 
diff --git a/tempest/tests/lib/services/image/v2/test_namespace_properties_client.py b/tempest/tests/lib/services/image/v2/test_namespace_properties_client.py
new file mode 100644
index 0000000..1d56db6
--- /dev/null
+++ b/tempest/tests/lib/services/image/v2/test_namespace_properties_client.py
@@ -0,0 +1,191 @@
+# Copyright 2016 EasyStack.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest.lib.services.image.v2 import namespace_properties_client
+from tempest.tests.lib import fake_auth_provider
+from tempest.tests.lib.services import base
+
+
+class TestNamespacePropertiesClient(base.BaseServiceTest):
+    FAKE_CREATE_SHOW_NAMESPACE_PROPERTY = {
+        "description": "property",
+        "enum": ["xen", "qemu", "kvm", "lxc", "uml", "vmware", "hyperv"],
+        "name": "OS::Glance::Image",
+        "title": "Hypervisor Type",
+        "type": "string"
+    }
+
+    FAKE_LIST_NAMESPACE_PROPERTY = {
+        "properties": {
+            "hw_disk_bus": {
+                "description": "property.",
+                "enum": ["scsi", "virtio", "uml", "xen", "ide", "usb"],
+                "title": "Disk Bus",
+                "type": "string"
+            },
+            "hw_machine_type": {
+                "description": "desc.",
+                "title": "Machine Type",
+                "type": "string"
+            },
+            "hw_qemu_guest_agent": {
+                "description": "desc.",
+                "enum": [
+                    "yes",
+                    "no"
+                ],
+                "title": "QEMU Guest Agent",
+                "type": "string"
+            },
+            "hw_rng_model": {
+                "default": "virtio",
+                "description": "desc",
+                "title": "Random Number Generator Device",
+                "type": "string"
+            },
+            "hw_scsi_model": {
+                "default": "virtio-scsi",
+                "description": "desc.",
+                "title": "SCSI Model",
+                "type": "string"
+            },
+            "hw_video_model": {
+                "description": "The video image driver used.",
+                "enum": [
+                    "vga",
+                    "cirrus",
+                    "vmvga",
+                    "xen",
+                    "qxl"
+                ],
+                "title": "Video Model",
+                "type": "string"
+            },
+            "hw_video_ram": {
+                "description": "desc.",
+                "title": "Max Video Ram",
+                "type": "integer"
+            },
+            "hw_vif_model": {
+                "description": "desc.",
+                "enum": ["e1000",
+                         "ne2k_pci",
+                         "pcnet",
+                         "rtl8139",
+                         "virtio",
+                         "e1000",
+                         "e1000e",
+                         "VirtualE1000",
+                         "VirtualE1000e",
+                         "VirtualPCNet32",
+                         "VirtualSriovEthernetCard",
+                         "VirtualVmxnet",
+                         "netfront",
+                         "ne2k_pci"
+                         ],
+                "title": "Virtual Network Interface",
+                "type": "string"
+            },
+            "os_command_line": {
+                "description": "desc.",
+                "title": "Kernel Command Line",
+                "type": "string"
+            }
+        }
+    }
+
+    FAKE_UPDATE_NAMESPACE_PROPERTY = {
+        "description": "property",
+        "enum": ["xen", "qemu", "kvm", "lxc", "uml", "vmware", "hyperv"],
+        "name": "OS::Glance::Image",
+        "title": "update Hypervisor Type",
+        "type": "string"
+    }
+
+    def setUp(self):
+        super(TestNamespacePropertiesClient, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = namespace_properties_client.NamespacePropertiesClient(
+            fake_auth, 'image', 'regionOne')
+
+    def _test_create_namespace_property(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.create_namespace_property,
+            'tempest.lib.common.rest_client.RestClient.post',
+            self.FAKE_CREATE_SHOW_NAMESPACE_PROPERTY,
+            bytes_body, status=201,
+            namespace="OS::Compute::Hypervisor",
+            title="Hypervisor Type", name="OS::Glance::Image",
+            type="string",
+            enum=["xen", "qemu", "kvm", "lxc", "uml", "vmware", "hyperv"])
+
+    def _test_list_namespace_property(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.list_namespace_properties,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_LIST_NAMESPACE_PROPERTY,
+            bytes_body,
+            namespace="OS::Compute::Hypervisor")
+
+    def _test_show_namespace_property(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.show_namespace_properties,
+            'tempest.lib.common.rest_client.RestClient.get',
+            self.FAKE_CREATE_SHOW_NAMESPACE_PROPERTY,
+            bytes_body,
+            namespace="OS::Compute::Hypervisor",
+            property_name="OS::Glance::Image")
+
+    def _test_update_namespace_property(self, bytes_body=False):
+        self.check_service_client_function(
+            self.client.update_namespace_properties,
+            'tempest.lib.common.rest_client.RestClient.put',
+            self.FAKE_UPDATE_NAMESPACE_PROPERTY,
+            bytes_body,
+            namespace="OS::Compute::Hypervisor",
+            property_name="OS::Glance::Image",
+            title="update Hypervisor Type", type="string",
+            enum=["xen", "qemu", "kvm", "lxc", "uml", "vmware", "hyperv"],
+            name="OS::Glance::Image")
+
+    def test_create_namespace_property_with_str_body(self):
+        self._test_create_namespace_property()
+
+    def test_create_namespace_property_with_bytes_body(self):
+        self._test_create_namespace_property(bytes_body=True)
+
+    def test_list_namespace_property_with_str_body(self):
+        self._test_list_namespace_property()
+
+    def test_list_namespace_property_with_bytes_body(self):
+        self._test_list_namespace_property(bytes_body=True)
+
+    def test_show_namespace_property_with_str_body(self):
+        self._test_show_namespace_property()
+
+    def test_show_namespace_property_with_bytes_body(self):
+        self._test_show_namespace_property(bytes_body=True)
+
+    def test_update_namespace_property_with_str_body(self):
+        self._test_update_namespace_property()
+
+    def test_update_namespace_property_with_bytes_body(self):
+        self._test_update_namespace_property(bytes_body=True)
+
+    def test_delete_namespace(self):
+        self.check_service_client_function(
+            self.client.delete_namespace_property,
+            'tempest.lib.common.rest_client.RestClient.delete',
+            {}, namespace="OS::Compute::Hypervisor",
+            property_name="OS::Glance::Image", status=204)