def test_call_kwargs(self):
        settings = _CallSettings(kwargs={'key': 'value'})
        my_callable = api_callable.create_api_call(
            lambda _req, _timeout, **kwargs: kwargs['key'], settings)
        self.assertEqual(my_callable(None), 'value')
        self.assertEqual(my_callable(None, CallOptions(key='updated')),
                         'updated')