.isEqualTo(expectedKeys);
    assertThat(cache.asMap().keySet()).containsNoneIn(removalNotifications.keySet());
    threadPool.shutdown();
    threadPool.awaitTermination(300, SECONDS);
  }

  /**
   * Calls get() repeatedly from many different threads, and tests that all of the removed entries

            return;
        }
    }

    /**
     * Shutdown the failover handler
     */
    public void shutdown() {
        executor.shutdown();
        try {
            if (!executor.awaitTermination(10, TimeUnit.SECONDS)) {
                executor.shutdownNow();
            }
        } catch (InterruptedException e) {
            executor.shutdownNow();
            Thread.currentThread().interrupt();

        }
    }

    /**
     * Shutdown the directory lease manager
     */
    public void shutdown() {
        scheduler.shutdown();
        try {
            if (!scheduler.awaitTermination(5, TimeUnit.SECONDS)) {
                scheduler.shutdownNow();
            }
        } catch (InterruptedException e) {
            scheduler.shutdownNow();
            Thread.currentThread().interrupt();

    public void close() {
        if (!closed.compareAndSet(false, true)) {
            return;
        }

        cleanupScheduler.shutdownNow();
        try {
            cleanupScheduler.awaitTermination(5, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            log.warn("Interrupted while shutting down cleanup scheduler", e);
        }

        // Force cleanup of all resources
        int cleaned = forceCleanup();

        // Shutdown executor
        cleanupExecutor.shutdown();
        try {
            if (!cleanupExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                cleanupExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            cleanupExecutor.shutdownNow();

    threadPool = newCachedThreadPool();
  }

  @Override
  public void tearDown() throws InterruptedException {
    threadPool.shutdown();
    assertTrue("Some worker didn't finish in time", threadPool.awaitTermination(10, SECONDS));
  }

  private static <T> int drain(
      BlockingQueue<T> q,
      Collection<? super T> buffer,
      int numElements,
      long timeout,
      TimeUnit unit,

        // Stop cleanup executor
        if (cleanupExecutor != null) {
            cleanupExecutor.shutdown();
            try {
                if (!cleanupExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                    cleanupExecutor.shutdownNow();
                }
            } catch (InterruptedException e) {
                cleanupExecutor.shutdownNow();

     */
    public void closePool() {
        stopProactiveHealthChecking();
        healthCheckExecutor.shutdown();
        try {
            if (!healthCheckExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                healthCheckExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            healthCheckExecutor.shutdownNow();

                assertEquals(result, crawlingInfoHelper.generateId(dataMap));
                counter.incrementAndGet();
            });
        }
        pool.shutdown();
        pool.awaitTermination(10, TimeUnit.SECONDS);
        assertEquals(1000, counter.get());
    }

    @Test
    public void test_getCanonicalSessionId() {

    }

    /**
     * Shutdown the audit logger gracefully
     */
    public void shutdown() {
        shutdown = true;
        logExecutor.shutdown();
        try {
            if (!logExecutor.awaitTermination(5, TimeUnit.SECONDS)) {
                logExecutor.shutdownNow();
            }
        } catch (InterruptedException e) {
            logExecutor.shutdownNow();
            Thread.currentThread().interrupt();