diff --git a/tempest/api/compute/images/test_images_oneserver.py b/tempest/api/compute/images/test_images_oneserver.py
index c7f0b23..4163245 100644
--- a/tempest/api/compute/images/test_images_oneserver.py
+++ b/tempest/api/compute/images/test_images_oneserver.py
@@ -131,7 +131,7 @@
         # Verify the image was deleted correctly
         resp, body = self.client.delete_image(image_id)
         self.assertEqual('204', resp['status'])
-        self.assertRaises(exceptions.NotFound, self.client.get_image, image_id)
+        self.client.wait_for_resource_deletion(image_id)
 
     @testtools.skipUnless(compute.MULTI_USER,
                           'Need multiple users for this test.')
diff --git a/tempest/api/compute/servers/test_list_servers_negative.py b/tempest/api/compute/servers/test_list_servers_negative.py
index 0f35ee5..db9bdc1 100644
--- a/tempest/api/compute/servers/test_list_servers_negative.py
+++ b/tempest/api/compute/servers/test_list_servers_negative.py
@@ -15,6 +15,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+import datetime
 
 from tempest.api import compute
 from tempest.api.compute import base
@@ -170,7 +171,8 @@
     @attr(type='gate')
     def test_list_servers_by_changes_since(self):
         # Servers are listed by specifying changes-since date
-        changes_since = {'changes-since': '2011-01-01T12:34:00Z'}
+        since = datetime.datetime.utcnow() - datetime.timedelta(minutes=2)
+        changes_since = {'changes-since': since.isoformat()}
         resp, body = self.client.list_servers(changes_since)
         self.assertEqual('200', resp['status'])
         # changes-since returns all instances, including deleted.
diff --git a/tempest/cli/simple_read_only/test_keystone.py b/tempest/cli/simple_read_only/test_keystone.py
index 067f58c..45d519b 100644
--- a/tempest/cli/simple_read_only/test_keystone.py
+++ b/tempest/cli/simple_read_only/test_keystone.py
@@ -107,3 +107,14 @@
 
     def test_admin_bashcompletion(self):
         self.keystone('bash-completion')
+
+    # Optional arguments:
+
+    def test_admin_version(self):
+        self.keystone('', flags='--version')
+
+    def test_admin_debug_list(self):
+        self.keystone('catalog', flags='--debug')
+
+    def test_admin_timeout(self):
+        self.keystone('catalog', flags='--timeout 15')
diff --git a/tempest/scenario/test_server_advanced_ops.py b/tempest/scenario/test_server_advanced_ops.py
index 9ac0cc0..109aaa5 100644
--- a/tempest/scenario/test_server_advanced_ops.py
+++ b/tempest/scenario/test_server_advanced_ops.py
@@ -28,6 +28,7 @@
     This test case stresses some advanced server instance operations:
 
      * Resizing an instance
+     * Sequence suspend resume
     """
 
     @classmethod
@@ -56,12 +57,8 @@
         base_image_id = self.config.compute.image_ref
         self.instance = self.compute_client.servers.create(
             i_name, base_image_id, flavor_id)
-        try:
-            self.assertEqual(self.instance.name, i_name)
-            self.set_resource('instance', self.instance)
-        except AttributeError:
-            self.fail("Instance not successfully created.")
-
+        self.assertEqual(self.instance.name, i_name)
+        self.set_resource('instance', self.instance)
         self.assertEqual(self.instance.status, 'BUILD')
         instance_id = self.get_resource('instance').id
         self.status_timeout(
@@ -77,5 +74,42 @@
 
         LOG.debug("Confirming resize of instance %s", instance_id)
         instance.confirm_resize()
+
         self.status_timeout(
             self.compute_client.servers, instance_id, 'ACTIVE')
+
+    def test_server_sequence_suspend_resume(self):
+        # We create an instance for use in this test
+        i_name = rand_name('instance')
+        flavor_id = self.config.compute.flavor_ref
+        base_image_id = self.config.compute.image_ref
+        self.instance = self.compute_client.servers.create(
+            i_name, base_image_id, flavor_id)
+        self.assertEqual(self.instance.name, i_name)
+        self.set_resource('instance', self.instance)
+        self.assertEqual(self.instance.status, 'BUILD')
+        instance_id = self.get_resource('instance').id
+        self.status_timeout(
+            self.compute_client.servers, instance_id, 'ACTIVE')
+        instance = self.get_resource('instance')
+        instance_id = instance.id
+        LOG.debug("Suspending instance %s. Current status: %s",
+                  instance_id, instance.status)
+        instance.suspend()
+        self.status_timeout(self.compute_client.servers, instance_id,
+                            'SUSPENDED')
+        LOG.debug("Resuming instance %s. Current status: %s",
+                  instance_id, instance.status)
+        instance.resume()
+        self.status_timeout(self.compute_client.servers, instance_id,
+                            'ACTIVE')
+        LOG.debug("Suspending instance %s. Current status: %s",
+                  instance_id, instance.status)
+        instance.suspend()
+        self.status_timeout(self.compute_client.servers, instance_id,
+                            'SUSPENDED')
+        LOG.debug("Resuming instance %s. Current status: %s",
+                  instance_id, instance.status)
+        instance.resume()
+        self.status_timeout(self.compute_client.servers, instance_id,
+                            'ACTIVE')
diff --git a/tempest/services/compute/json/images_client.py b/tempest/services/compute/json/images_client.py
index 376dafc..b13d0f1 100644
--- a/tempest/services/compute/json/images_client.py
+++ b/tempest/services/compute/json/images_client.py
@@ -150,3 +150,10 @@
         resp, body = self.delete("images/%s/metadata/%s" %
                                  (str(image_id), key))
         return resp, body
+
+    def is_resource_deleted(self, id):
+        try:
+            self.get_image(id)
+        except exceptions.NotFound:
+            return True
+        return False
diff --git a/tempest/services/compute/xml/images_client.py b/tempest/services/compute/xml/images_client.py
index c7e337b..cc13aa1 100644
--- a/tempest/services/compute/xml/images_client.py
+++ b/tempest/services/compute/xml/images_client.py
@@ -226,3 +226,10 @@
         """Deletes a single image metadata key/value pair."""
         return self.delete("images/%s/metadata/%s" % (str(image_id), key),
                            self.headers)
+
+    def is_resource_deleted(self, id):
+        try:
+            self.get_image(id)
+        except exceptions.NotFound:
+            return True
+        return False
diff --git a/tempest/services/identity/v3/json/endpoints_client.py b/tempest/services/identity/v3/json/endpoints_client.py
old mode 100755
new mode 100644
diff --git a/tempest/services/identity/v3/xml/endpoints_client.py b/tempest/services/identity/v3/xml/endpoints_client.py
old mode 100755
new mode 100644