def METHOD_NAME(self):
    pk = 1
    event = self.client.get(event_api._get_detail_url(pk))
    event_data = event.json()
    del event_data["cover"]
    tag = "ayyy-totaly-unique123"
    self.assertIsNone(Tag.objects.filter(tag=tag).first())
    event_data["tags"] = [tag]
    res = self.client.put(event_api._get_detail_url(pk), event_data)
    self.assertEqual(res.status_code, status.HTTP_200_OK)
    self.assertTrue(tag in res.json().pop("tags"))
    self.assertIsNotNone(Tag.objects.filter(tag=tag).first())