def _get_recent_notifications_mock_by_anonymous_user(self, unused_user_id):
        return (200000, [{
            'activity_id': 'exp_id',
            'activity_title': 'exp_title',
            'author_id': None,
            'last_updated_ms': 100000,
            'subject': 'Feedback Message Subject',
            'type': feconf.UPDATE_TYPE_FEEDBACK_MESSAGE,
        }])
Step 1c replaces suffix -y or -Y by -i if preceded by a non-vowel 
dataset/ETHPy150Open oppia/oppia/core/controllers/home_test.py/NotificationsDashboardHandlerTest._get_recent_notifications_mock_by_anonymous_user--crossover with--dataset/ETHPy150Open clips/pattern/pattern/vector/stemmer.py/step_1c