@Override
      public Object call() {
        System.setProperty(GeodeGlossary.GEMFIRE_PREFIX + "bridge.disableShufflingOfEndpoints",
            "true");
        ClientCacheFactory ccf = new ClientCacheFactory();
        ccf.addPoolServer("localhost"/* getServerHostName(Host.getHost(0)) */, port1);
        if (port2 != 0) {
          ccf.addPoolServer("localhost", port2);
        }
        ccf.setPoolSubscriptionEnabled(false);
        ccf.set(LOG_LEVEL, getDUnitLogLevel());
        ClientCache cCache = getClientCache(ccf);
        ClientRegionFactory<CustId, Customer> custrf =
            cCache.createClientRegionFactory(ClientRegionShortcut.CACHING_PROXY);
        ClientRegionFactory<Integer, String> refrf =
            cCache.createClientRegionFactory(ClientRegionShortcut.CACHING_PROXY);
        custrf.addCacheListener(new ClientListener());
        Region<Integer, String> r = refrf.create(D_REFERENCE);
        Region<CustId, Customer> pr = custrf.create(CUSTOMER);
        TXManagerImpl mgr = getGemfireCache().getTxManager();
        mgr.begin();
        CustId custId = new CustId(0);
        Customer cust = new Customer("name" + 0, "address" + 0);
        pr.put(custId, cust);
        r.put(0, "value" + 0);
        return mgr.suspend();
      }
test that re-tried operations from client do not result in multiple ops in tx
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerTransactionDUnitTest.java