@Override
    public void notExecuted(Store store, String reason) {
      notExecutedStores.add(Pair.newPair(store, reason));
    }
Confirm that the function of CompactionLifeCycleTracker is OK as we do not use it in our own
code.
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompactionLifeCycleTracker.java