@Override
    public RegionEntry createEntry(RegionEntryContext r, Object key, Object value) {
      return new TestableDiskRegionEntry(r, key, value);
    }
Overridden setValue method to call clear Region before actually writing the entry
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ClearDuringGiiOplogWithMissingCreateRegressionTest.java