public function controllerSpy($event, $controller = null)
 {
     parent::controllerSpy($event, $controller);
     if (isset($this->_controller)) {
         $this->_controller->PaypalIpnRequest = $this->createMock('PaypalIpn\\Controller\\Component\\PaypalIpnRequestComponent');
         $this->_controller->PaypalIpnRequest->expects($this->any())->method('validate')->will($this->returnValue(true));
     }
 }