protected function setUp() {
if (!class_exists('Symfony\\Component\\HttpFoundation\\Request')) {
$this
->markTestSkipped('The "HttpFoundation" component is not available');
}
$this->kernel = null;
$this->cache = null;
$this->esi = null;
$this->caches = array();
$this->cacheConfig = array();
$this->request = null;
$this->response = null;
$this->responses = array();
$this->catch = false;
$this
->clearDirectory(sys_get_temp_dir() . '/http_cache');
}