private final SynchronousQueue<Response> responseQueue = new SynchronousQueue<>();

  private @Nullable Throwable uncaughtThrowable = null;

  public TestThread(L lockLikeObject, String threadName) {
    super(threadName);
    this.lockLikeObject = checkNotNull(lockLikeObject);
    start();
  }

  // Thread.stop() is okay because all threads started by a test are dying at the end of the test,

        if (current < percent) {
            return true;
        }
        final long startTime = getCurrentTimeAsLong();
        final String threadName = Thread.currentThread().getName();
        try {
            waitingThreadNames.add(threadName);
            while (current >= percent) {
                if (timeoutInMillis > 0 && getCurrentTimeAsLong() - startTime > timeoutInMillis) {

  private final SynchronousQueue<Response> responseQueue = new SynchronousQueue<>();

  private @Nullable Throwable uncaughtThrowable = null;

  public TestThread(L lockLikeObject, String threadName) {
    super(threadName);
    this.lockLikeObject = checkNotNull(lockLikeObject);
    start();
  }

  // Thread.stop() is okay because all threads started by a test are dying at the end of the test,