public void test_minus_Duration() {

    Duration dur = Duration.ofSeconds(62, 3);
    OffsetDateTime t = this.TEST_2008_6_30_11_30_59_000000500.minus(dur);
    assertEquals(t, OffsetDateTime.of(2008, 6, 30, 11, 29, 57, 497, OFFSET_PONE));
  }

  @Test(groups = { "tck" }