def METHOD_NAME(self, image_pull: Mock) -> None:
    result = self.invoke(["images", "pull", "mysql"])
    self.assertIsNone(result.exception)
    self.assertEqual(0, result.exit_code)
    # Note: we should update this tag whenever the mysql image is updated
    image_pull.assert_called_once_with("docker.io/mysql:8.1.0")