public function tearDown()
{
if (file_exists(Path::get_root() . '/exclude')) {
chmod(Path::get_root() . '/exclude', 0755);
}
if (file_exists(Path::get_root() . '/test-data.txt')) {
chmod(Path::get_root() . '/test-data.txt', 0644);
}
if (file_exists($this->hidden)) {
unlink($this->hidden);
}
if (file_exists($this->symlink) || is_link($this->symlink)) {
unlink($this->symlink);
}
$this->cleanup_test_data();
}