def METHOD_NAME(self):
    # Configure the XQueue stub response to any submission to the test queue
    response_content = {'test_response': 'test_content'}
    self.server.config['This is only a test.'] = response_content
    # Post a submission to the XQueue stub
    callback_url = 'http://127.0.0.1:8000/test_callback'
    expected_header = self._post_submission(
        callback_url, 'test_queuekey', 'test_queue',
        json.dumps({'submission': 'This is only a test.'})
    )
    # Check that we receive the response we configured
    self._check_grade_response(callback_url, expected_header, json.dumps(response_content))