@Override
    public void afterUpdate(EntryEvent event) {
      // log.info("UpdateListener.afterUpdate invoked for " + event, new Exception("stack trace"));
      updateCount++;
    }
Similar to bug #43407 but not reported in a ticket, we want a client that does a get() on a
destroyed entry to end up with a tombstone for that entry. This was already the case but there
were no unit tests covering this for different server configurations and with/without
transactions.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerInvalidAndDestroyedEntryDUnitTest.java