zendframework 3 - identity view helper error

class Bootstrap extends Zend_Application_Bootstrap_Bootstrap
{
    protected function _initRequest()
    {
        $this->_logger->info('Bootstrap ' . __METHOD__);

        $this->bootstrap('FrontController');

        $front = $this->getResource('FrontController');
        $request = new Zend_Controller_Request_Http();

        $front->setRequest($request);
    }

    protected function _initStylesheet()
    {
        $this->_logger->info('Bootstrap ' . __METHOD__);

        $this->bootstrap('view');
        $this->_view = $this->getResource('view');

        $this->_view->headLink()->appendStylesheet($this->_view->baseUrl('/css/main.css'));
    }
}

echo $this->QuElFinder('elfinder', array(
    'width' => "50%",
    'height' => '300',
    'url' => '/quelfinder/connector'
    )
);

resources.view.helperPath = APPLICATION_PATH "/views/helpers"

resources.view.helperPath.Application_View_Helper = APPLICATION_PATH "/views/helpers/"

class Application_View_Helper_Test extends Zend_View_Helper_Abstract {}

$this->formRow($element);

$this->formRow()->setInputErrorClass('has-error');

$this->formRow()->setInputErrorClass('has-error')->render($element);