public function tearDown()
{
parent::tearDown();
$_POST = array();
$_GET = array();
unset($GLOBALS['post']);
unset($GLOBALS['comment']);
remove_filter('wp_die_ajax_handler', array($this, 'getDieHandler'), 1, 1);
remove_action('clear_auth_cookie', array($this, 'logout'));
error_reporting($this->_error_level);
set_current_screen('front');
}