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));
}
}