public function tearDown()
 {
     global $application;
     Centurion_Controller_Front::getInstance()->resetInstance();
     $this->resetRequest();
     $this->resetResponse();
     $this->request->setPost(array());
     $this->request->setQuery(array());
     Centurion_Signal::unregister();
     Centurion_Auth::getInstance()->clearIdentity();
     Centurion_Loader_PluginLoader::cleanCache();
     return $application->getBootstrap()->bootstrap('cachemanager');
 }