PayWithAmazon\ClientTest::testXmlResponse PHP Method

    public function testXmlResponse()
    {
        $response = array();
        $response['ResponseBody'] = '<GetOrderReferenceDetailsResponse xmlns="http://mws.amazonservices.com/schema/OffAmazonPayments/2013-01-01">
        <AmazonOrderReferenceId>S01-5806490-2147504</AmazonOrderReferenceId>
        <ExpirationTimestamp>2015-09-27T02:18:33.408Z</ExpirationTimestamp>
        <SellerNote>This is testing API call</SellerNote>
        </GetOrderReferenceDetailsResponse>';
        $responseObj = new ResponseParser($response);
        $xmlResponse = $responseObj->toXml();
        $this->assertEquals($xmlResponse, $response['ResponseBody']);
    }