@Override
  public void clearExceptionInThreads() {
    exceptionInThreads = false;
    LoggingUncaughtExceptionHandler.clearUncaughtExceptionsCount();
  }
Clears the boolean that determines whether or not an exception occurred in one of the worker
threads. This method should be used for testing purposes only!
geode-core/src/main/java/org/apache/geode/distributed/internal/ClusterDistributionManager.java