fix test

Author: m6w6

ext/date/tests/bug53879.phpt

@@ -1,5 +1,7 @@
 --TEST--
 Bug #53879 (DateTime::createFromFormat() fails to parse cookie expiration date)
+--INI--
+date.timezone=UTC
 --FILE--
 <?php
 $date = DateTime::createFromFormat(DateTime::COOKIE, "Mon, 21-Jan-2041 15:24:52 GMT");