@Override
      public void run2() throws CacheException {
        Region<Object, Object> region = getRootRegion().getSubregion(name);
        region.put(key, value);
        flushIfNecessary(region);
      }
Tests that {@linkplain Region#invalidate invalidating} an entry is propagated to all VMs that
define that entry.
geode-dunit/src/main/java/org/apache/geode/cache30/MultiVMRegionTestCase.java