Bolt\Twig\TwigExtension::shy PHP Method

    public function shy($str)
    {
        return $this->handlers['html']->shy($str);
    }

 public function testShy()
 {
     $app = $this->getApp();
     $handlers = $this->getTwigHandlers($app);
     $handlers['html'] = $this->getMockHandler('HtmlHandler', 'shy');
     $twig = new TwigExtension($app, $handlers, true);
     $twig->shy(null);
 }