def METHOD_NAME(self):
    """Should not access if salted hmac is wrong."""
    video = VideoFactory(
        live_state=IDLE,
        live_type=JITSI,
        starting_at=timezone.now() + timedelta(hours=10),
        title="How to be perfect!",
    )
    # LTI registration
    lti_livesession = LiveSessionFactory(
        consumer_site=video.playlist.consumer_site,
        created_on=timezone.now() - timedelta(hours=10),
        email="chantal@test-fun-mooc.fr",
        is_registered=True,
        lti_id="Maths",
        lti_user_id="56255f3807599c377bf0e5bf072359fd",
        video=video,
    )
    # non sense hmac
    response = self.client.get(f"/reminders/cancel/{lti_livesession.id}/123/")
    self.assertEqual(response.status_code, 404)
    # possible hmac but not the corresponding one
    other_livesession = LiveSessionFactory(
        consumer_site=video.playlist.consumer_site,
        created_on=timezone.now() - timedelta(hours=10),
        email="raoul@test-fun-mooc.fr",
        is_registered=True,
        lti_id="Maths",
        lti_user_id="36255f3807599c377bf0e5bf072359fd",
        video=video,
    )
    response = self.client.get(
        f"/reminders/cancel/{lti_livesession.id}/"
        f"{other_livesession.get_generate_salted_hmac()}/"
    )
    self.assertEqual(response.status_code, 404)