[Finder] Update RealIteratorTestCase

Author: flip111

Tests/Iterator/RealIteratorTestCase.php

@@ -60,11 +60,23 @@ public static function setUpBeforeClass()
 
     public static function tearDownAfterClass()
     {
-        foreach (array_reverse(self::$files) as $file) {
-            if (DIRECTORY_SEPARATOR === $file[strlen($file) - 1]) {
-                @rmdir($file);
+        $paths = new \RecursiveIteratorIterator(
+                     new \RecursiveDirectoryIterator(
+                         self::$tmpDir,
+                         \RecursiveDirectoryIterator::SKIP_DOTS
+                     ),
+                     \RecursiveIteratorIterator::CHILD_FIRST
+                 );
+
+        foreach ($paths as $path) {
+            if ($path->isDir()) {
+                if ($path->isLink()) {
+                    @unlink($path);
+                } else {
+                    @rmdir($path);
+                }
             } else {
-                @unlink($file);
+                @unlink($path);
             }
         }
     }