static {
    String bibFilePath = testDataParentPath + File.separator + "mhldMergeBibs1346.mrc";
    try {
      RawRecordReader rawRecRdr = new RawRecordReader(new FileInputStream(new File(bibFilePath)));
      while (rawRecRdr.hasNext()) {
        RawRecord rawRec = rawRecRdr.next();
        Record rec = rawRec.getAsRecord(true, false, "999", "MARC8");
        String id = rec.getControlNumber();
        // String id = RecordTestingUtils.getRecordIdFrom001(rec);
        ALL_UNMERGED_BIBS.put(id, rec);
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }

    bibFilePath = testDataParentPath + File.separator + "mhldMerged1346.mrc";
    try {
      RawRecordReader rawRecRdr = new RawRecordReader(new FileInputStream(new File(bibFilePath)));
      while (rawRecRdr.hasNext()) {
        RawRecord rawRec = rawRecRdr.next();
        Record rec = rawRec.getAsRecord(true, false, "999", "MARC8");
        String id = rec.getControlNumber();
        // String id = RecordTestingUtils.getRecordIdFrom001(rec);
        ALL_MERGED_BIB_RESULTS.put(id, rec);
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
  }