@Override
        public boolean done() {
          int size = 0;
          for (RegionQueue q : queues) {
            size += q.size();
          }
          return size == 0;
        }
Validate whether all the attributes set on AsyncEventQueueFactory are set on the sender
underneath the AsyncEventQueue.
geode-dunit/src/main/java/org/apache/geode/internal/cache/wan/AsyncEventQueueTestBase.java