private static void killServer(Integer port) {
    try {
      Iterator iter = cache.getCacheServers().iterator();
      LogWriterUtils.getLogWriter()
          .fine("Asif: servers running = " + cache.getCacheServers().size());
      if (iter.hasNext()) {
        CacheServer server = (CacheServer) iter.next();
        LogWriterUtils.getLogWriter().fine("asif : server running on port=" + server.getPort()
            + " asked to kill serevre onport=" + port);
        if (port == server.getPort()) {
          server.stop();
        }
      }
    } catch (Exception ex) {
      Assert.fail("while killing Server", 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