def METHOD_NAME(self):
    """Clear tags when [] is posted"""
    event = Event.objects.get(pk=1)
    response = self.client.get(event_api._get_detail_url(event.pk))
    event_data = response.json()
    del event_data["cover"]
    event_data["tags"] = []
    response = self.client.patch(event_api._get_detail_url(event.pk), event_data)
    self.assertEqual(response.status_code, status.HTTP_200_OK)
    event.refresh_from_db()
    self.assertEqual(list(event.tags.values_list("pk", flat=True)), [])