def METHOD_NAME(self):
    self.client.login(username="organizer", password="pass")
    resp = self.client.post(reverse("competitions:submission_delete", kwargs={"pk": self.submission_1.pk}))
    self.assertRedirects(resp, reverse("competitions:view", kwargs={"pk": self.competition.pk}))
    self.assertEqual(0, len(CompetitionSubmission.objects.filter(pk=self.submission_1.pk)))