def test_renderWithoutHostNoDefault(self):
        virtualHostResource = NameVirtualHost()
        request = DummyRequest([''])
        d = _render(virtualHostResource, request)
        def cbRendered(ignored):
            self.assertEqual(request.responseCode, NOT_FOUND)
        d.addCallback(cbRendered)
        return d
L{NameVirtualHost.render} returns a response with a status of I{NOT
dataset/ETHPy150Open twisted/twisted/twisted/web/test/test_vhost.py/NameVirtualHostTests.test_renderWithoutHostNoDefault