/**
  * Tests symbols on comments fields from file
  */
 public function testSymbolsOnCommentsAndTSSFromFile()
 {
     $path = SampleXmlValidationUtils::PAYMENT_REQUEST_WITH_SYMBOLS_XML_PATH;
     $prefix = __DIR__ . '/../../../resources';
     $xml = file_get_contents($prefix . $path);
     /* @var PaymentRequest $fromXmlRequest */
     $fromXmlRequest = new PaymentRequest();
     $fromXmlRequest = $fromXmlRequest->fromXml($xml);
     SampleXmlValidationUtils::checkUnmarshalledPaymentRequestWithSymbols($fromXmlRequest, $this);
 }