def METHOD_NAME(self):
    name = "Tomb Sweeping Day"
    self.assertHolidayName(
        name,
        "2011-04-05",
        "2012-04-04",
        "2013-04-04",
        "2014-04-05",
        "2015-04-05",
        "2016-04-04",
        "2017-04-04",
        "2018-04-05",
        "2019-04-05",
        "2020-04-04",
        "2021-04-04",
        "2022-04-05",
        "2023-04-05",
    )
    self.assertNoHolidayName(name, Taiwan(years=1971))
    obs_dt = (
        "2015-04-06",
        "2020-04-02",
        "2021-04-06",
    )
    self.assertHolidayName(f"{name} (Observed)", obs_dt)
    self.assertNoNonObservedHoliday(obs_dt)