*
   * <p>Triggers test case failure if interrupt status is set in the main thread.
   */
  public void tearDown() throws Exception {
    Throwable t = threadFailure.getAndSet(null);
    if (t != null) {
      if (t instanceof Error) throw (Error) t;
      else if (t instanceof RuntimeException) throw (RuntimeException) t;
      else if (t instanceof Exception) throw (Exception) t;

   *
   * <p>Triggers test case failure if interrupt status is set in the main thread.
   */
  @Override
  public void tearDown() throws Exception {
    Throwable t = threadFailure.getAndSet(null);
    if (t != null) {
      if (t instanceof Error) throw (Error) t;
      else if (t instanceof RuntimeException) throw (RuntimeException) t;
      else if (t instanceof Exception) throw (Exception) t;