diff --git a/tempest/tests/compute/images/test_images.py b/tempest/tests/compute/images/test_images.py
index a61cef6..fb0364a 100644
--- a/tempest/tests/compute/images/test_images.py
+++ b/tempest/tests/compute/images/test_images.py
@@ -56,6 +56,14 @@
             self.image_ids.remove(image_id)
         super(ImagesTestJSON, self).tearDown()
 
+    def __create_image__(self, server_id, name, meta=None):
+        resp, body = self.client.create_image(server_id, name, meta)
+        image_id = parse_image_id(resp['location'])
+        self.client.wait_for_image_resp_code(image_id, 200)
+        self.client.wait_for_image_status(image_id, 'ACTIVE')
+        self.image_ids.append(image_id)
+        return resp, body
+
     @attr(type='negative')
     def test_create_image_from_deleted_server(self):
         # An image should not be created if the server instance is removed
@@ -63,43 +71,24 @@
 
         # Delete server before trying to create server
         self.servers_client.delete_server(server['id'])
-
-        try:
-            # Create a new image after server is deleted
-            name = rand_name('image')
-            meta = {'image_type': 'test'}
-            resp, body = self.client.create_image(server['id'], name, meta)
-
-        except Exception:
-            pass
-
-        else:
-            image_id = parse_image_id(resp['location'])
-            self.client.wait_for_image_resp_code(image_id, 200)
-            self.client.wait_for_image_status(image_id, 'ACTIVE')
-            self.client.delete_image(image_id)
-            self.fail("Should not create snapshot from deleted instance!")
+        self.servers_client.wait_for_server_termination(server['id'])
+        # Create a new image after server is deleted
+        name = rand_name('image')
+        meta = {'image_type': 'test'}
+        self.assertRaises(exceptions.NotFound,
+                          self.__create_image__,
+                          server['id'], name, meta)
 
     @attr(type='negative')
     def test_create_image_from_invalid_server(self):
         # An image should not be created with invalid server id
-        try:
-            # Create a new image with invalid server id
-            name = rand_name('image')
-            meta = {'image_type': 'test'}
-            resp = {}
-            resp['status'] = None
-            resp, body = self.client.create_image('!@#$%^&*()', name, meta)
-
-        except exceptions.NotFound:
-            pass
-
-        finally:
-            if (resp['status'] is not None):
-                image_id = parse_image_id(resp['location'])
-                resp, _ = self.client.delete_image(image_id)
-                self.fail("An image should not be created "
-                          "with invalid server id")
+        # Create a new image with invalid server id
+        name = rand_name('image')
+        meta = {'image_type': 'test'}
+        resp = {}
+        resp['status'] = None
+        self.assertRaises(exceptions.NotFound, self.__create_image__,
+                          '!@#$%^&*()', name, meta)
 
     @attr(type='negative')
     def test_create_image_when_server_is_terminating(self):
diff --git a/tempest/tests/compute/servers/test_servers.py b/tempest/tests/compute/servers/test_servers.py
index a8d28df..4796e86 100644
--- a/tempest/tests/compute/servers/test_servers.py
+++ b/tempest/tests/compute/servers/test_servers.py
@@ -28,111 +28,81 @@
         super(ServersTestJSON, cls).setUpClass()
         cls.client = cls.servers_client
 
+    def tearDown(self):
+        self.clear_servers()
+        super(ServersTestJSON, self).tearDown()
+
     @attr(type='positive')
     def test_create_server_with_admin_password(self):
         # If an admin password is provided on server creation, the server's
         # root password should be set to that password.
+        resp, server = self.create_server(adminPass='testpassword')
 
-        try:
-            server = None
-            resp, server = self.create_server(adminPass='testpassword')
-
-            #Verify the password is set correctly in the response
-            self.assertEqual('testpassword', server['adminPass'])
-
-        #Teardown
-        finally:
-            if server:
-                self.client.delete_server(server['id'])
+        # Verify the password is set correctly in the response
+        self.assertEqual('testpassword', server['adminPass'])
 
     def test_create_with_existing_server_name(self):
         # Creating a server with a name that already exists is allowed
 
         # TODO(sdague): clear out try, we do cleanup one layer up
-        try:
-            id1 = None
-            id2 = None
-            server_name = rand_name('server')
-            resp, server = self.create_server(name=server_name,
-                                              wait_until='ACTIVE')
-            id1 = server['id']
-            resp, server = self.create_server(name=server_name,
-                                              wait_until='ACTIVE')
-            id2 = server['id']
-            self.assertNotEqual(id1, id2, "Did not create a new server")
-            resp, server = self.client.get_server(id1)
-            name1 = server['name']
-            resp, server = self.client.get_server(id2)
-            name2 = server['name']
-            self.assertEqual(name1, name2)
-        finally:
-            for server_id in (id1, id2):
-                if server_id:
-                    self.client.delete_server(server_id)
+        server_name = rand_name('server')
+        resp, server = self.create_server(name=server_name,
+                                          wait_until='ACTIVE')
+        id1 = server['id']
+        resp, server = self.create_server(name=server_name,
+                                          wait_until='ACTIVE')
+        id2 = server['id']
+        self.assertNotEqual(id1, id2, "Did not create a new server")
+        resp, server = self.client.get_server(id1)
+        name1 = server['name']
+        resp, server = self.client.get_server(id2)
+        name2 = server['name']
+        self.assertEqual(name1, name2)
 
     @attr(type='positive')
     def test_create_specify_keypair(self):
         # Specify a keypair while creating a server
 
-        try:
-            server = None
-            key_name = rand_name('key')
-            resp, keypair = self.keypairs_client.create_keypair(key_name)
-            resp, body = self.keypairs_client.list_keypairs()
-            resp, server = self.create_server(key_name=key_name)
-            self.assertEqual('202', resp['status'])
-            self.client.wait_for_server_status(server['id'], 'ACTIVE')
-            resp, server = self.client.get_server(server['id'])
-            self.assertEqual(key_name, server['key_name'])
-        finally:
-            if server:
-                self.client.delete_server(server['id'])
+        key_name = rand_name('key')
+        resp, keypair = self.keypairs_client.create_keypair(key_name)
+        resp, body = self.keypairs_client.list_keypairs()
+        resp, server = self.create_server(key_name=key_name)
+        self.assertEqual('202', resp['status'])
+        self.client.wait_for_server_status(server['id'], 'ACTIVE')
+        resp, server = self.client.get_server(server['id'])
+        self.assertEqual(key_name, server['key_name'])
 
     @attr(type='positive')
     def test_update_server_name(self):
         # The server name should be changed to the the provided value
-        try:
-            server = None
-            resp, server = self.create_server(wait_until='ACTIVE')
+        resp, server = self.create_server(wait_until='ACTIVE')
 
-            #Update the server with a new name
-            resp, server = self.client.update_server(server['id'],
-                                                     name='newname')
-            self.assertEquals(200, resp.status)
-            self.client.wait_for_server_status(server['id'], 'ACTIVE')
+        # Update the server with a new name
+        resp, server = self.client.update_server(server['id'],
+                                                 name='newname')
+        self.assertEquals(200, resp.status)
+        self.client.wait_for_server_status(server['id'], 'ACTIVE')
 
-            #Verify the name of the server has changed
-            resp, server = self.client.get_server(server['id'])
-            self.assertEqual('newname', server['name'])
-
-        #Teardown
-        finally:
-            if server:
-                self.client.delete_server(server['id'])
+        # Verify the name of the server has changed
+        resp, server = self.client.get_server(server['id'])
+        self.assertEqual('newname', server['name'])
 
     @attr(type='positive')
     def test_update_access_server_address(self):
         # The server's access addresses should reflect the provided values
-        try:
-            server = None
-            resp, server = self.create_server(wait_until='ACTIVE')
+        resp, server = self.create_server(wait_until='ACTIVE')
 
-            #Update the IPv4 and IPv6 access addresses
-            resp, body = self.client.update_server(server['id'],
-                                                   accessIPv4='1.1.1.1',
-                                                   accessIPv6='::babe:202:202')
-            self.assertEqual(200, resp.status)
-            self.client.wait_for_server_status(server['id'], 'ACTIVE')
+        # Update the IPv4 and IPv6 access addresses
+        resp, body = self.client.update_server(server['id'],
+                                               accessIPv4='1.1.1.1',
+                                               accessIPv6='::babe:202:202')
+        self.assertEqual(200, resp.status)
+        self.client.wait_for_server_status(server['id'], 'ACTIVE')
 
-            #Verify the access addresses have been updated
-            resp, server = self.client.get_server(server['id'])
-            self.assertEqual('1.1.1.1', server['accessIPv4'])
-            self.assertEqual('::babe:202:202', server['accessIPv6'])
-
-        #Teardown
-        finally:
-            if server:
-                self.client.delete_server(server['id'])
+        # Verify the access addresses have been updated
+        resp, server = self.client.get_server(server['id'])
+        self.assertEqual('1.1.1.1', server['accessIPv4'])
+        self.assertEqual('::babe:202:202', server['accessIPv6'])
 
     def test_delete_server_while_in_building_state(self):
         # Delete a server while it's VM state is Building