def METHOD_NAME(self):
    n = self._makeNotification(is_read=True)
    self.client.force_authenticate(user=self.follower)
    res = self.client.post(reverse("notification-mark-unread", args=[n.id]))
    self.assertEqual(res.status_code, 204)
    n = Notification.objects.get(id=n.id)
    self.assertEqual(n.is_read, False)