private void checkData(VM vm, int startKey, int endKey, String value) {
    vm.invoke(() -> {
      Region<Integer, String> region = getCache().getRegion(regionName);

      for (int i = startKey; i < endKey; i++) {
        assertThat(region.get(i)).as("Value for key " + i).isEqualTo(value);
      }
    });
  }
Test that when we generate a krf, we write the version tag that matches the entry in the crf.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/persistence/PersistentRVVRecoveryDUnitTest.java