ensure backtrace is on for test entity create & delete

CRM/Core/DAO.php

@@ -1264,6 +1264,11 @@ SELECT contact_id
     $numObjects = 1,
     $createOnly = FALSE
   ) {
+    //this is a test function  also backtrace is set for the test suite it sometimes unsets itself
+    // so we re-set here in case
+    $config = CRM_Core_Config::singleton();
+    $config->backtrace = TRUE;
+
     static $counter = 0;
     CRM_Core_DAO::$_testEntitiesToSkip = array(
       'CRM_Core_DAO_Worldregion',
@@ -1427,8 +1432,12 @@ SELECT contact_id
 
   static function deleteTestObjects($daoName, $params = array(
     )) {
+    //this is a test function  also backtrace is set for the test suite it sometimes unsets itself
+    // so we re-set here in case
+    $config = CRM_Core_Config::singleton();
+    $config->backtrace = TRUE;
 
-    $object = new $daoName ( );
+    $object = new $daoName();
     $object->id = CRM_Utils_Array::value('id', $params);
 
     $deletions = array(); // array(array(0 => $daoName, 1 => $daoParams))