@Override
      public void afterCreate(EntryEvent event) {
        String key = (String) event.getKey();
        validateEventsAtReceivingClientListener(key);
      }
Creates the client cache2, connected to server3

@param port - bridgeserver port
@throws Exception - thrown if any problem occurs in setting up the client
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/EventIdOptimizationDUnitTest.java