private RangeStoreKey key(UID uid, long fromInc, long toExc) {
        return new RangeStoreKey(uid, new Range<>(fromInc, toExc));
    }
Make sure that the entries are stored in the db in the order we expect.
stroom-pipeline/src/test/java/stroom/pipeline/refdata/store/offheapstore/databases/TestRangeStoreDb.java