@Override
      public void afterRegionClear(RegionEvent event) {
        synchronized (EventIDVerificationDUnitTest.class) {
          gotCallback = true;
          // verifyEventIDsDuringRegionDestroy(event);
          testEventIDResult = ((RegionEventImpl) event).getEventId().equals(eventId);
          if (!testEventIDResult) {
            cache.getLogger().warning("Expected " + eventId.expensiveToString() + ", but processed"
                + ((RegionEventImpl) event).getEventId().expensiveToString());
          }
          EventIDVerificationDUnitTest.class.notify();
        }
      }
Verify that EventId is prapogated to server in case of region clear. It also checks that peer
nodes also get the same EventID.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/EventIDVerificationDUnitTest.java