public function testExpressPurchaseSuccess()
{
$httpResponse = $this->getMockHttpResponse('ExpressPurchaseSuccess.txt');
$response = new ExpressAuthorizeResponse($this->getMockRequest(), $httpResponse->getBody());
$this->assertFalse($response->isSuccessful());
$this->assertSame('EC-42721413K79637829', $response->getTransactionReference());
$this->assertNull($response->getMessage());
$this->assertNull($response->getRedirectData());
$this->assertSame('GET', $response->getRedirectMethod());
}