private static void sleep(int ms) {
    try {
      Thread.sleep(ms);
    } catch (InterruptedException e) {
      Assert.fail("Interrupted", e);
    }
  }
Wait for acknowledgment from client, verify creation time is correct
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/ReliableMessagingDUnitTest.java