public void createCache(Properties props) throws Exception {
    DistributedSystem ds = getSystem(props);
    ds.disconnect();
    ds = getSystem(props);
    assertNotNull(ds);
    cache = CacheFactory.create(ds);
    assertNotNull(cache);
  }
Client is connected to S1 which has a slow dispatcher. Puts are made on S1. Then S2 is started
and made available for the client. After that , S1 's server is stopped. The client fails over to
S2. The client should receive all the puts . These puts have arrived on S2 via GII of HARegion.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HAGIIDistributedTest.java