public function setUp()
{
parent::setUp();
$this->gateway = new AopF2FGateway($this->getHttpClient(), $this->getHttpRequest());
$this->gateway->setAppId($this->appId);
$this->gateway->setPrivateKey($this->appPrivateKey);
$this->gateway->setEncryptKey($this->appEncryptKey);
$this->gateway->setNotifyUrl('https://www.example.com/notify');
$this->gateway->sandbox();
}