[HttpFoundation] Fixed test breaking on windows

tests/Symfony/Tests/Component/HttpFoundation/File/MimeType/MimeTypeTest.php

@@ -59,6 +59,9 @@ class MimeTypeTest extends \PHPUnit_Framework_TestCase
 
     public function testGuessWithNonReadablePath()
     {
+        if (strstr(PHP_OS, 'WIN')) {
+            $this->markTestSkipped('Can not verify chmod operations on Windows');
+        }
         $path = __DIR__.'/../Fixtures/to_delete';
         touch($path);
         chmod($path, 0333);