def test_sxs_url(self):
        r = reverse('chrome_sxs_view', args=('201-2-g', '2011-1738'))
        self.assertEqual(r, '/sxs/201-2-g/2011-1738')

        r = reverse('chrome_sxs_view', args=('201-2-g', '2011-1738_20110232'))