@Override
  public boolean isServer() {
    if (isClient()) {
      return false;
    }
    stopper.checkCancelInProgress(null);

    return isServer || !allCacheServers.isEmpty();
  }
For use by unit tests to inject a mocked ccpTimer
geode-core/src/main/java/org/apache/geode/internal/cache/GemFireCacheImpl.java