/**
  * 
  * Returns the given KalturaTestProcedureData as a DomDocument
  * @param KalturaTestProcedureData $testProcedureData
  */
 public static function toXml(KalturaTestProcedureData $testProcedureData)
 {
     $dom = new DOMDocument("1.0");
     $testProcedureDataElement = $dom->createElement("TestProcedureData");
     $testProcedureDataElement->setAttribute("testProcedureName", $testProcedureData->getProcedureName());
     $dom->appendChild($testProcedureDataElement);
     foreach ($testProcedureData->getTestCasesData() as $testCaseData) {
         $domTestCaseData = KalturaTestCaseInstanceData::toXml($testCaseData);
         kXml::appendDomToElement($domTestCaseData, $testProcedureDataElement, $dom);
     }
     return $dom;
 }