    @Test
    public void testFastClock() {

        TimeWarpedClock clock = new TimeWarpedClock(10);

        Stopwatch stopwatch = new Stopwatch(clock);

        stopwatch.resetIfNotInit();

        try {
            Thread.sleep(5);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        assertEquals(50, stopwatch.pop(), 15);
    }