def METHOD_NAME(self):
    self.assertHoliday(f"{year}-12-25" for year in range(1950, 2050))
    dt = (
        "2005-12-27",
        "2011-12-27",
        "2016-12-27",
        "2022-12-27",
        "2033-12-27",
    )
    self.assertHolidayName("Christmas Day (Observed)", dt)
    self.assertNoNonObservedHoliday(dt)