    public function testRenderWithTrustedHeaderDisabled()
    {
        Request::setTrustedHeaderName(Request::HEADER_CLIENT_IP, '');
        Request::setTrustedHeaderName(Request::HEADER_FORWARDED, '');

        $expectedSubRequest = Request::create('/');
        $expectedSubRequest->headers->set('x-forwarded-for', array('127.0.0.1'));

        $strategy = new InlineFragmentRenderer($this->getKernelExpectingRequest($expectedSubRequest));
        $this->assertSame('foo', $strategy->render('/', Request::create('/'))->getContent());
    }
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.