def METHOD_NAME(self):
    name = "Assumption Day"
    self.assertHolidayName(name, (f"{year}-08-15" for year in range(1981, 2050)))
    dt = (
        "2004-08-16",
        "2010-08-16",
        "2021-08-16",
    )
    self.assertHolidayName(f"{name} (Observed)", dt)
    self.assertNoNonObservedHoliday(dt)