@Override
      public void beforeGoingToCompact() {
        region.get("Key");
      }
This JUnit test tests concurrent rolling and normal region operations put,get,clear,destroy in
both sync and async mode

A region operation is done on the same key that is about to be rolled or has just been rolled and
the region operation is verified to have been correctly executed.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/ConcurrentRollingAndRegionOperationsJUnitTest.java