TbHtml::i PHP Method

    public static function i($text, $htmlOptions = array())
    {
        return self::tag('em', $htmlOptions, $text);
    }

 public function testItalic()
 {
     $I = $this->codeGuy;
     $html = TbHtml::i('Italic text');
     $em = $I->createNode($html, 'em');
     $I->seeNodeText($em, 'Italic text');
 }