@Test
  public void testMRNoMatchedColumnFamily() throws Exception {
    util.createTable(tn, FAMILY);

    String[] args = new String[] {
      "-D" + ImportTsv.COLUMNS_CONF_KEY
        + "=HBASE_ROW_KEY,FAM:A,FAM01_ERROR:A,FAM01_ERROR:B,FAM02_ERROR:C",
      tn.getNameAsString(), "/inputFile" };
    exception.expect(NoSuchColumnFamilyException.class);
    assertEquals("running test job configuration failed.", 0,
      ToolRunner.run(new Configuration(util.getConfiguration()), new ImportTsv() {
        @Override
        public int run(String[] args) throws Exception {
          createSubmittableJob(getConf(), args);
          return 0;
        }
      }, args));

    util.deleteTable(tn);
  }
Force use of combiner in doMROnTableTest. Boolean. Default is true.
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTsv.java