@Override
    public void removeTimer(String eventName) {
    }
@Test
    public void removeTimer() {
        mSensorsAPI.setTrackEventCallBack(new SensorsDataTrackEventCallBack() {
            @Override
            public boolean onTrackEvent(String eventName, JSONObject eventProperties) {
                Assert.fail();
                return false;
            }
        });
        mSensorsAPI.trackTimer("TestTimerEvent", TimeUnit.SECONDS);
        mSensorsAPI.removeTimer("TestTimerEvent");
        mSensorsAPI.trackTimerEnd("TestTimerEvent");
    }