interruptingThread.interrupt();
            joinUninterruptibly(interruptingThread, 2500, MILLISECONDS);
            Thread.interrupted();
            if (interruptingThread.isAlive()) {
              // This will be hidden by test-output redirection:
              logger.severe("InterruptenatorTask did not exit; future tests may be affected");
              /*

        indexUpdater.indexingHelper = indexingHelper;
    }

    @Override
    public void tearDown() throws Exception {
        if (indexUpdater != null && indexUpdater.isAlive()) {
            indexUpdater.setFinishCrawling(true);
            indexUpdater.interrupt();
            indexUpdater.join(1000);
        }
        super.tearDown();
    }

    // Test initialization

            interruptingThread.interrupt();
            joinUninterruptibly(interruptingThread, 2500, MILLISECONDS);
            Thread.interrupted();
            if (interruptingThread.isAlive()) {
              // This will be hidden by test-output redirection:
              logger.severe("InterruptenatorTask did not exit; future tests may be affected");
              /*

        } catch (final Throwable t) {
            logger.error("Crawler does not work correctly.", t);
            exitCode = Constants.EXIT_FAIL;
        } finally {
            if (commandThread != null && commandThread.isAlive()) {
                commandThread.interrupt();
            }
            if (systemMonitorTask != null) {
                systemMonitorTask.cancel();
            }
            if (hotThreadMonitorTask != null) {

                  () -> {
                    reloadStarted.countDown();

                    Thread blockingForRefresh = threadAboutToBlockForRefresh.get();
                    while (blockingForRefresh.isAlive()
                        && blockingForRefresh.getState() != WAITING) {
                      Thread.yield();
                    }

                    return key + "Reload";
                  });

      thread.start();
      // we want to wait until each thread is WAITING - one thread waiting inside CacheLoader.load
      // (in startSignal.await()), and the others waiting for that thread's result.
      while (thread.isAlive() && thread.getState() != Thread.State.WAITING) {
        Thread.yield();
      }
    }
    gettersStartedSignal.countDown();
    gettersComplete.await();