@Override
      public void afterCreate(EntryEvent event) {
        CustId c = (CustId) event.getKey();
        if (c.getCustId() > 1) {
          invoked = true;
        }
        // we document that client transaction are proxied to the server
        // and that the callback should be handled appropriately (hence true)
        assertTrue(event.isOriginRemote());
        assertTrue(event.isOriginRemote());
      }
test has a client, two accessors and a datastore pool connects to two accessors. we then close
the server in first accessor and verify failover
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerTransactionDUnitTest.java