public function testPurchaseFailure()
{
$this->setMockHttpResponse('PurchaseFailure.txt');
$response = $this->gateway->purchase($this->paymentOptions)->send();
$this->assertFalse($response->isSuccessful());
$this->assertFalse($response->isRedirect());
$this->assertSame('Authorization Declined.', $response->getMessage());
}
