def METHOD_NAME(self):
    self.assertHoliday(f"{year}-05-23" for year in range(1950, 2050))
    dt = (
        "1998-05-25",
        "1999-05-24",
        "2004-05-24",
        "2009-05-25",
        "2010-05-24",
        "2015-05-25",
        "2020-05-25",
        "2021-05-24",
        "2026-05-25",
        "2027-05-24",
    )
    self.assertHoliday(dt)
    self.assertNoNonObservedHoliday(dt)