private void checkRegion(RheaKVStore store, byte[] key, long expectedRegionId) {
        Region region = store.getPlacementDriverClient().findRegionByKey(key, false);
        assertEquals(expectedRegionId, region.getId());
    }
RheaKVStore unit test, covering all interfaces of {@link RheaKVStore}

@author jiachun.fjc
jraft-rheakv/rheakv-core/src/test/java/com/alipay/sofa/jraft/rhea/storage/rhea/AbstractRheaKVStoreTest.java