### Question:
ThreadHelper { @Nonnull public static ESuccess sleep (@Nonnull final TimeValue aTimeValue) { ValueEnforcer.notNull (aTimeValue, "TimeValue"); return sleep (aTimeValue.getAsMillis ()); } private  ThreadHelper(); @Nonnull static ESuccess sleepMinutes(@Nonnegative final long nMinutes); @Nonnull static ESuccess sleepSeconds(@Nonnegative final long nSeconds); @Nonnull static ESuccess sleep(@Nonnull final TimeValue aTimeValue); @Nonnull static ESuccess sleep(@Nonnegative final long nDuration, @Nonnull final TimeUnit aTimeUnit); @Nonnull static ESuccess sleep(@Nonnegative final long nMilliseconds);  }### Answer:
@Test public void testBasic () { ThreadHelper.sleep (10, TimeUnit.MILLISECONDS); }