private function cleanUpDirectories()
{
@unlink($this->getExpectedDir() . DIRECTORY_SEPARATOR . '.git' . DIRECTORY_SEPARATOR . 'HEAD');
@rmdir($this->getExpectedDir() . DIRECTORY_SEPARATOR . '.git');
@rmdir($this->getExpectedDir());
@rmdir($this->getDir() . DIRECTORY_SEPARATOR . 'KnpLabs');
@rmdir($this->getDir());
}