public static void sleep(long timeMs) {
        accept(SLEEP, timeMs);
    }
@Test
    public void testSleep() {
        final long start = System.currentTimeMillis();
        CommonUtils.sleep(SLEEP_TIME);
        final long end = System.currentTimeMillis();

        // There is an error, and the error value is 20 ms before and after
        assertTrue((end - start < SLEEP_TIME + DIFF) || (end - start > SLEEP_TIME - DIFF));
    }