public void test_toString(int h, int m, int s, int n, String offsetId, String expected) {

    OffsetTime t = OffsetTime.of(h, m, s, n, ZoneOffset.of(offsetId));
    String str = t.toString();
    assertEquals(str, expected);
  }

  // -----------------------------------------------------------------------
  // toString(DateTimeFormatter)
  // -----------------------------------------------------------------------
  @Test(groups = { "tck" }