def test_created_by_is_not_updated(self):
        user = self.create_superuser()
        client = Client()
        client.login(username=user.email, password='moo')
        client.post(
            reverse('create_group'),
            {
                'authgroup_form-name': 'Writing tests on a Friday',
                'group_form-category': '1'}
        )

        group = Group.objects.latest('pk')
        self.assertEqual(group.created_by, user)
created_by should not be changed when updating a group.
dataset/ETHPy150Open ofa/connect/open_connect/groups/tests/test_views.py/GroupUpdateViewTest.test_created_by_is_not_updated