Fix wrong assertion methods

Change-Id: Iebf4840662e87e59a06b56f1b5248728cba03c24
Story: 2010288
Task: 46261
Signed-off-by: Takashi Natsume <takanattie@gmail.com>

Author: takanattie

openstackclient/tests/unit/compute/v2/test_server.py

@@ -4634,7 +4634,7 @@ def test_server_list_with_flavor(self):
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
         columns, data = self.cmd.take_action(parsed_args)
 
-        self.flavors_mock.get.has_calls(self.flavor.id)
+        self.flavors_mock.get.assert_has_calls([mock.call(self.flavor.id)])
 
         self.search_opts['flavor'] = self.flavor.id
         self.servers_mock.list.assert_called_with(**self.kwargs)

openstackclient/tests/unit/image/v2/test_image.py

@@ -1090,7 +1090,7 @@ def test_image_set_no_options(self):
 
         self.assertIsNone(result)
         # we'll have called this but not set anything
-        self.app.client_manager.image.update_image.called_once_with(
+        self.app.client_manager.image.update_image.assert_called_once_with(
             self._image.id,
         )