@Override
      public void run() {
        Region myRegion = getCache().getRegion(regionName);
        for (int i = 1; i <= 20; i++) {
          myRegion.put("Object" + i, "Value" + i);
        }
        myRegion.invalidate(key1);
        myRegion.invalidate(key2);
      }
Bug #43407 - when a client does a get(k) and the entry is invalid in the server we want the
client to end up with an entry that is invalid.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClientServerInvalidAndDestroyedEntryDUnitTest.java