def METHOD_NAME(self):
    observed_holidays = (
        "2011-01-10",
        "2011-05-02",
        "2011-12-26",
        "2012-01-02",
        "2013-12-09",
        "2016-05-02",
        "2016-12-26",
        "2017-01-02",
        "2019-12-09",
        "2021-11-29",
        "2022-01-10",
        "2022-05-02",
        "2022-12-26",
        "2023-01-02",
    )
    self.assertHoliday(observed_holidays)
    self.assertNoNonObservedHoliday(observed_holidays)