def METHOD_NAME(self):
    action = "next"
    with MockFormplayerRequest(action, QUESTION_RESPONSE) as mocker:
        self.interface.next()
    mocker.assert_exactly_one_request()
    request = mocker.get_last_request()
    expected_request_data = {
        'action': action,
        'session-id': SESSION_ID,
        'session_id': SESSION_ID,
        'domain': DOMAIN,
        'oneQuestionPerScreen': True,
        'nav_mode': 'prompt',
    }
    self.validate_request(request, expected_request_data)