@SuppressWarnings("deprecation")
  private Cache createCacheV(Properties props) throws Exception {
    DistributedSystem ds = getSystem(props);
    assertNotNull(ds);
    ds.disconnect();
    ds = getSystem(props);
    Cache cache = getCache();
    assertNotNull(cache);
    return cache;
  }
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