public function tearDown()
{
$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->getTempDir(), \FileSystemIterator::KEY_AS_PATHNAME | \FileSystemIterator::SKIP_DOTS | \FilesystemIterator::CURRENT_AS_FILEINFO), \RecursiveIteratorIterator::CHILD_FIRST);
parent::tearDown();
}