fix optimizer pass registration test

Author: krakjoe

ext/zend_test/tests/optimizer_register_pass.phpt

@@ -1,5 +1,11 @@
 --TEST--
 Optimizer: Pass Registration
+--SKIPIF--
+<?php
+if (getenv("SKIP_REPEAT")) {
+    die("skip pass registration does not need repeat");
+}
+?>
 --EXTENSIONS--
 opcache
 --INI--