private void setupServerAndClientVMs(boolean concurrencyChecksOnServer,
      boolean concurrencyChecksOnClient, boolean clientEmpty, boolean serverPartitioned)
      throws Exception {
    int port1 = initServerCache(server1, concurrencyChecksOnServer, serverPartitioned); // vm0
    int port2 = initServerCache(server2, concurrencyChecksOnServer, serverPartitioned); // vm1
    String serverName = NetworkUtils.getServerHostName(Host.getHost(0));
    createClientCache(serverName, port1, port2, clientEmpty, concurrencyChecksOnClient);
    logger.info("testing force invalidate on on client");
  }
1. Invalidate a non-existent entry from the server. 2. Validate that the servers see after
invalidate. 3. Validate that the subscribed client invokes after invalidate.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/ClientServerForceInvalidateDUnitTest.java