def METHOD_NAME(monkeypatch):
    locale.setlocale(locale.LC_ALL, '')
    display = Display()
    display_mock = MagicMock()
    monkeypatch.setattr(display, 'display', display_mock)
    display.banner(u'🚀🐮', color=False, cows=False)
    args, kwargs = display_mock.call_args
    msg = args[0]
    stars = u' %s' % (75 * u'*')
    assert msg.endswith(stars)