public void now_Clock_allSecsInDay_zone() {

    ZoneId zone = ZoneId.of("Europe/London");
    for (int i = 0; i < (2 * 24 * 60 * 60); i++) {
      Instant instant = Instant.ofEpochSecond(i).plusNanos(123456789L);
      ZonedDateTime expected = ZonedDateTime.ofInstant(instant, zone);
      Clock clock = Clock.fixed(expected.toInstant(), zone);
      ZonedDateTime test = ZonedDateTime.now(clock);
      assertEquals(test, expected);
    }
  }

  @Test(groups = { "tck" }