@Test
  public void testFormatTime() {
    long dt;
    String exp, actual;

    dt = 5;

    exp = "5 s";
    actual = MiscUtils.formatTime(dt, TimeUnit.SECONDS, TimeUnit.SECONDS, 0);
    assertEquals(exp, actual);

    dt = (long) 1e6;
    exp = "1.000 ms";

    actual = MiscUtils.formatTime(dt, TimeUnit.NANOSECONDS, TimeUnit.MILLISECONDS, 3);
    assertEquals(exp, actual);
  }