public function setUp()
{
parent::setUp();
$this->gateway = new ExpressGateway($this->getHttpClient(), $this->getHttpRequest());
$this->options = array('amount' => '10.00', 'returnUrl' => 'https://www.example.com/return', 'cancelUrl' => 'https://www.example.com/cancel');
$this->voidOptions = array('transactionReference' => 'ASDFASDFASDF');
}