Codeception\TestCase\WPTestCase::tearDownAfterClass PHP Method

    public static function tearDownAfterClass()
    {
        $c = self::get_called_class();
        if (!method_exists($c, 'wpTearDownAfterClass')) {
            return;
        }
        call_user_func(array($c, 'wpTearDownAfterClass'));
        self::commit_transaction();
        parent::tearDownAfterClass();
    }

 public static function tearDownAfterClass()
 {
     date_default_timezone_set(self::$tz_backup);
     return parent::tearDownAfterClass();
 }