}
        }

        Thread[] threads = new Thread[t.numThreads];
        int ti;

        for (ti = 0; ti < t.numThreads; ti++) {
            threads[ti] = new Thread(t);
            System.out.print(threads[ti].getName());
            threads[ti].start();
        }

        while (t.numComplete < t.numThreads) {
            long delay;

            do {
                delay = 2L;

  @Param Impl impl;

  @Param({"0", "1", "5", "10"})
  int numListeners;

  @Param({"0", "1", "5", "10"})
  int numThreads;

  private final Set<Thread> blockedThreads = new HashSet<>();

  @BeforeExperiment
  void setUp() throws Exception {
    if (state != State.NOT_DONE && (numListeners != 0 || numThreads != 0)) {
      throw new SkipThisScenarioException();
    }
  }

  }

  @J2ktIncompatible
  @GwtIncompatible // blocking wait
  public void testRunIdempotency() throws Exception {
    final int numThreads = 10;
    final ExecutorService executor = Executors.newFixedThreadPool(numThreads);
    for (int i = 0; i < 1000; i++) {
      final AtomicInteger counter = new AtomicInteger();
      final TrustedListenableFutureTask<Integer> task =