}

  /** Constructs a listenable future with a value available after the latch has counted down. */
  protected abstract <V> ListenableFuture<V> createListenableFuture(
      V value, @Nullable Exception except, CountDownLatch waitOn);

  /** Tests that the {@link Future#get()} method blocks until a value is available. */
  public void testGetBlocksUntilValueAvailable() throws Throwable {

    assertFalse(future.isDone());

        webConfigId = getWebConfigIds(NAME_PREFIX).get(0);

        createJob();
        logger.info("Job is created: {}", webConfigId);
        refresh();

        startJob(NAME_PREFIX);

        waitJob(NAME_PREFIX);
        refresh();

        ThreadUtil.sleep(3000);
    }

    @BeforeEach
    protected void init() {
        refresh();
    }

    @AfterEach
    protected void tearDown() {

        refresh();
        fileConfigId = getFileConfigIds(NAME_PREFIX).get(0);

        createJob();
        logger.info("Job is created");
        refresh();

        startJob(NAME_PREFIX);

        waitJob(NAME_PREFIX);
        refresh();
    }

    @BeforeEach
    protected void init() {
        refresh();
    }

    @AfterEach
    protected void tearDown() {
    }

    @AfterAll