def METHOD_NAME(self):
    self.assertHolidays(
        ("2020-01-01", "Nieuwjaarsdag"),
        ("2020-04-10", "Goede Vrijdag"),
        ("2020-04-12", "Eerste paasdag"),
        ("2020-04-13", "Tweede paasdag"),
        ("2020-04-27", "Koningsdag"),
        ("2020-05-05", "Bevrijdingsdag"),
        ("2020-05-21", "Hemelvaartsdag"),
        ("2020-05-31", "Eerste Pinksterdag"),
        ("2020-06-01", "Tweede Pinksterdag"),
        ("2020-12-25", "Eerste Kerstdag"),
        ("2020-12-26", "Tweede Kerstdag"),
    )