@Override
        public String description() {
          Set<RegionQueue> queues = ((AbstractGatewaySender) sender).getQueues();
          int size = 0;
          for (RegionQueue q : queues) {
            size += q.size();
          }
          return "Expected queue size to be : " + 0 + " but actual entries: " + size;
        }
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