private static void startServer(Integer port) {
    try {
      CacheServer server1 = cache.addCacheServer();
      server1.setPort(port);
      server1.setNotifyBySubscription(true);
      server1.start();
    } catch (Exception ex) {
      fail("while killServer  " + ex);
    }
  }
This tests whether the destroy are received by the sender or not if there are situation of
Interest List fail over
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/DestroyEntryPropagationDUnitTest.java