def METHOD_NAME(self):
    # Login as staff
    self.client.force_login(self.staff.user)
    # check that the number of waiting tutorials is correct
    response = self.client.post(reverse("homepage"))
    self.assertEqual(200, response.status_code)
    self.assertContains(response, "(1 tutoriel)")
    # Mark the content as reserved
    self.validation.status = "PENDING_V"
    self.validation.save()
    # and check that the count was removed
    response = self.client.post(reverse("homepage"))
    self.assertEqual(200, response.status_code)
    self.assertNotContains(response, "(1 tutoriel)")