def METHOD_NAME(self, mock_verify_captcha, mock_send_message):
    response = self.client.post(
        self.url,
        {
            "title": "title",
            "message": "message",
            "anonymous": False,
            "captcha_response": "test",
            "recipient_group": None,
        },
    )
    self.assertEqual(status.HTTP_400_BAD_REQUEST, response.status_code)