protected Properties getClientProps(String durableClientId, String durableClientTimeout) {
    Properties config = new Properties();
    config.setProperty(MCAST_PORT, "0");
    config.setProperty(DURABLE_CLIENT_ID, durableClientId);
    config.setProperty(DURABLE_CLIENT_TIMEOUT, String.valueOf(durableClientTimeout));
    return config;
  }
Does few puts on the region on the server
geode-cq/src/distributedTest/java/org/apache/geode/management/internal/cli/commands/DurableClientCommandsDUnitTest.java