public function render_returnResponse()
{
$response = $this->createMock('Symfony\\Component\\HttpFoundation\\Response');
$templating = $this->createMock('Symfony\\Bundle\\FrameworkBundle\\Templating\\EngineInterface');
$templating->expects($this->any())->method('renderResponse')->willReturn($response);
$context = $this->createMock('Scheb\\TwoFactorBundle\\Security\\TwoFactor\\AuthenticationContextInterface');
$renderer = new Renderer($templating, 'AcmeTestBundle:Test:auth.html.twig');
$this->assertEquals($response, $renderer->render($context));
}