public void clearTimers() {
        try {
            synchronized (mTrackTimer) {
                mTrackTimer.clear();
            }
        } catch (Exception e) {
            SALog.printStackTrace(e);
        }
    }
@Test
    public void clearTimers() {
        mInstance.addEventTimer("EventTimer", new EventTimer(TimeUnit.SECONDS, 10000L));
        mInstance.clearTimers();
        Assert.assertNull(mInstance.getEventTimer("EventTimer"));
    }