### Question:
CancellableCountDownLatchFactory { public CancellableCountDownLatch create(int count) { return new CancellableCountDownLatch(count); }  CancellableCountDownLatch create(int count);  }### Answer:
@Test public void create() { CancellableCountDownLatch countDownLatch = new CancellableCountDownLatchFactory().create(10); assertThat(countDownLatch).isNotNull(); assertThat(countDownLatch.getCount()).isEqualTo(10); }