def METHOD_NAME(
    self
) -> None:
    user_settings_model = self.create_model(
        user_models.UserSettingsModel,
        id=self.VALID_USER_ID_1, email='a@a.com')
    user_stats_model = self.create_model(
        user_models.UserStatsModel,
        id=self.VALID_USER_ID_1,
        num_ratings=10,
        average_ratings=4.5,
        total_plays=22,
    )
    self.put_multi([user_settings_model, user_stats_model])
    self.assert_job_output_is([
        job_run_result.JobRunResult(stdout='OLD MODELS SUCCESS: 1')
    ])
    new_user_stats_model = (
        user_models.UserStatsModel.get(self.VALID_USER_ID_1))
    # Ruling out the possibility of None for mypy type checking.
    assert new_user_stats_model is not None
    self.assertEqual(
        new_user_stats_model.weekly_creator_stats_list,
        [{
            self.formated_datetime: {
                'num_ratings': 10,
                'average_ratings': 4.5,
                'total_plays': 22
            }
        }]
    )