Re-apply 2998188

The problem was the EXTENSIONS section not the SKIPIF

Author: Girgias

ext/zend_test/tests/system_id_reinitialization.phpt

@@ -3,6 +3,7 @@ System ID reinitialization accepts extension entropy after engine restart
 --SKIPIF--
 <?php
 if (!extension_loaded('zend_test')) die('skip zend_test extension required');
+if (ini_get('opcache.file_cache')) die('skip different include behaviour with file_cache');
 ?>
 --INI--
 zend_test.register_system_entropy=1