public function test_info_link()
    {
        $this->assertEquals('<span class=" label label-info"></span>', trim(self::form_no_chain($r)->info_link()));
        $this->assertEquals('<span class=" label label-info"></span>', trim(self::form_no_chain($r)->info_link('test')));
        $r['test'] = './?object=someobject&action=someaction';