protected function setUp()
 {
     parent::setUp();
     $this->gateway = new Gateway($this->getHttpClient(), $this->getHttpRequest());
     $this->gateway->setSerializer($this->getSerializerMock());
     $this->paymentOptions = ['card' => new CreditCard(['number' => '4200000000000000', 'expiryYear' => '2019', 'expiryMonth' => '01', 'name' => 'John Doe', 'firstName' => 'John', 'lastName' => 'Doe', 'address1' => '550 South Winchester blvd.', 'address2' => 'P.O. Box 850', 'country' => 'US', 'phone' => '+1(202)555-1234', 'email' => '*****@*****.**']), 'amount' => '500.00', 'currency' => 'EUR', 'countryCode' => 'DE', 'transactionId' => '9457892347623478'];
     $this->referencedOptions = ['transactionId' => '9457892347623478', 'transactionReference' => 'C242720181323966504820'];
 }