protected static Tool doMROnTableTest(HBaseTestingUtil util, TableName table, String family,
    String data, Map<String, String> args) throws Exception {
    return doMROnTableTest(util, table, family, data, args, 1, -1);
  }
If there are invalid data rows as inputs, then only those rows should be ignored.
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTsv.java