Fix borked test GH-225.php

Author: jordikroon

tests/GH-225.phpt

@@ -25,6 +25,13 @@ require_once __DIR__ . "/../render.php";
 --CLEAN--
 <?php
 \unlink(__DIR__ . "/../phd.config.php");
+$iterator = new \RecursiveIteratorIterator(
+    new \RecursiveDirectoryIterator(__DIR__ . "/../output/", \FilesystemIterator::SKIP_DOTS),
+    \RecursiveIteratorIterator::CHILD_FIRST
+);
+foreach ($iterator as $file) {
+    $file->isDir() ? \rmdir($file->getPathname()) : \unlink($file->getPathname());
+}
 \rmdir(__DIR__ . "/../output/");
 ?>
 --EXPECTF--