service.startAsync().awaitRunning();
    enterRun.await(); // to avoid stopping the service until run() is invoked

    service.stopAsync();
    service.stopAsync();
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());
    service.stopAsync().awaitTerminated();
    assertEquals(Service.State.TERMINATED, service.state());

    executionThread.join();
  }

        new Thread() {
          @Override
          public void run() {
            manager.stopAsync().awaitStopped();
          }
        };
    stoppingThread.start();
    // this should be super fast since the only non-stopped service is a NoOpService
    stoppingThread.join(1000);
    assertFalse("stopAsync has deadlocked!.", stoppingThread.isAlive());
    failLeave.countDown(); // release the background thread
  }

  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @Override
  public final void awaitRunning() {
    delegate.awaitRunning();
  }

  /**
   * @since 15.0

  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @Override
  public final void awaitRunning() {
    delegate.awaitRunning();
  }

  /**
   * @since 28.0

    state.awaitHealthy(timeout, unit);
  }

  /**
   * Initiates service {@linkplain Service#stopAsync shutdown} if necessary on all the services
   * being managed.
   *
   * @return this
   */
  @CanIgnoreReturnValue
  public ServiceManager stopAsync() {
    for (Service service : services) {
      service.stopAsync();
    }
    return this;
  }

  /**

  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @Override
  public final void awaitRunning() {
    delegate.awaitRunning();
  }

  /**
   * @since 28.0

  public final Service startAsync() {
    delegate.startAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @CanIgnoreReturnValue
  @Override
  public final Service stopAsync() {
    delegate.stopAsync();
    return this;
  }

  /**
   * @since 15.0
   */
  @Override
  public final void awaitRunning() {
    delegate.awaitRunning();
  }

  /**
   * @since 15.0