@Test
public void cancelRace() {

    for (int i = 0; i < TestHelper.RACE_DEFAULT_LOOPS; i++) {
        final FutureSubscriber<Integer> fs = new FutureSubscriber<Integer>();
        Runnable r = new Runnable() {
            @Override
            public void run() {
                fs.cancel(false);
            }
        };
        TestHelper.race(r, r);
    }
}