def METHOD_NAME(self):
    name = "Father Lini Day"
    self.assertHolidayName(name, (f"{year}-02-21" for year in range(1999, 2050)))
    self.assertNoHolidayName(name, range(1981, 1999))
    self.assertNoHoliday(f"{year}-02-21" for year in range(1981, 1999))
    dt = (
        "2010-02-22",
        "2016-02-22",
        "2021-02-22",
    )
    self.assertHolidayName(f"{name} (Observed)", dt)
    self.assertNoNonObservedHoliday(dt)