/**
  * Destroy Config, Webapp, $_SESSION, $_POST, $_GET, $_REQUEST
  */
 public function tearDown()
 {
     Config::destroyInstance();
     PluginRegistrarWebapp::destroyInstance();
     PluginRegistrarCrawler::destroyInstance();
     if (isset($_SESSION)) {
         $this->unsetArray($_SESSION);
     }
     $this->unsetArray($_POST);
     $this->unsetArray($_GET);
     $this->unsetArray($_REQUEST);
     $this->unsetArray($_SERVER);
     $this->unsetArray($_FILES);
     Loader::unregister();
     $backup_dir = FileDataManager::getBackupPath();
     if (file_exists($backup_dir)) {
         try {
             @exec('cd ' . $backup_dir . '; rm -rf *');
             rmdir($backup_dir);
             // won't delete if has files
         } catch (Exception $e) {
         }
     }
     $data_dir = FileDataManager::getDataPath();
     if (file_exists($data_dir . 'compiled_view')) {
         try {
             @exec('cd ' . $data_dir . '; rm -rf compiled_view');
         } catch (Exception $e) {
         }
     }
     parent::tearDown();
 }