public function testRender()
{
$request = new RequestAggregate();
$request->setRequest(new Param('/Users/index/1'));
$controller = new UsersController($request);
$controller->invokeAction($request);
$output = $controller->render('index');
$expect = '<div><p>bar</p>
</div>
';
$this->expectOutputString($expect);
echo $output;
}