def create_notification_handler(application_name=None, level=NOTSET,
                                icon=None):
    if sys.platform == 'darwin':
        return GrowlHandler(application_name, level=level, icon=icon)
    return LibNotifyHandler(application_name, level=level, icon=icon)
Verifies that an app's release summary is dumped into the logs.
dataset/ETHPy150Open getlogbook/logbook/logbook/notifiers.py/create_notification_handler--crossover with--dataset/ETHPy150Open deis/deis/controller/api/tests/test_app.py/AppTest.test_app_release_notes_in_logs