def METHOD_NAME(self):
    url_edit_news = reverse('edit_news', kwargs={'news_id': 1})
    self.assertTrue(self.client.login(username='test_admin'))
    response = self.client.get(url_edit_news)
    # superuser can edit news
    self.assertEqual(response.status_code, 200)
    self.assertTrue(self.client.login(username='test_user'))
    response = self.client.get(url_edit_news)
    # non-superuser cannot edit news
    self.assertEqual(response.status_code, 403)