@Override
      public void run() {
        RegionFactory f = getCache().createRegionFactory(getRegionAttributes());
        CCRegion = (LocalRegion) f.create(name);
        // noinspection OverwrittenKey
        CCRegion.put("cckey0", "ccvalue");
        // noinspection OverwrittenKey
        CCRegion.put("cckey0", "ccvalue"); // version number will end up at 4
      }
make sure that an operation performed on a new region entry created after a tombstone has been
reaped is accepted by another member that has yet to reap the tombstone
geode-core/src/distributedTest/java/org/apache/geode/cache30/GlobalRegionCCEDUnitTest.java