@DataProvider(name = "IsAfter")
  Object[][] data_isAfter() {

    return new Object[][] { { 11, 31, ZONE_0100, 11, 30, ZONE_0100, true }, // a is after b due to time
        { 11, 30, ZONE_0100, 11, 30, ZONE_0200, true }, // a is after b due to offset
        { 11, 30, ZONE_0200, 10, 30, ZONE_0100, false }, // a is equal b due to same instant
    };
  }

  @Test(dataProvider = "IsAfter", groups = { "tck" }