def METHOD_NAME(self):
    self.assertIn(date(2019, 1, 1), self.holidays)
    self.assertIn(date(2019, 2, 5), self.holidays)
    self.assertIn(date(2019, 2, 6), self.holidays)
    self.assertIn(date(2019, 4, 19), self.holidays)
    self.assertIn(date(2019, 5, 1), self.holidays)
    self.assertIn(date(2019, 5, 19), self.holidays)
    self.assertIn(date(2019, 5, 20), self.holidays)
    self.assertIn(date(2019, 6, 5), self.holidays)
    self.assertIn(date(2019, 8, 9), self.holidays)
    self.assertIn(date(2019, 8, 11), self.holidays)
    self.assertIn(date(2019, 8, 12), self.holidays)
    self.assertIn(date(2019, 10, 27), self.holidays)
    self.assertIn(date(2019, 10, 28), self.holidays)
    self.assertIn(date(2019, 12, 25), self.holidays)
    self.assertEqual(len(Singapore(years=[2019])), 14)