@Override
      public void beforeSendingToServer(EventID eventID) {
        eventId = eventID;
        System.out.println("client2= " + client2 + " eventid= " + eventID);
        client2.invoke(() -> InstantiatorPropagationDUnitTest.setEventId(eventId));

      }
This method creates the server cache
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/InstantiatorPropagationDUnitTest.java