public function suiteStart($suite = null)
    {
        $messages = $suite->messages();
        if (count($messages) === 1) {
            return;
        }
        if (count($messages) === 2) {
            $this->write("\n");
        }
        $message = end($messages);
        $this->write("{$message}\n");
        $this->_indent++;
    }