@Test
  public void testWithoutAnExistingTableAndCreateTableSetToNo() throws Exception {
    String[] args = new String[] { tn.getNameAsString(), "/inputFile" };

    Configuration conf = new Configuration(util.getConfiguration());
    conf.set(ImportTsv.COLUMNS_CONF_KEY, "HBASE_ROW_KEY,FAM:A");
    conf.set(ImportTsv.BULK_OUTPUT_CONF_KEY, "/output");
    conf.set(ImportTsv.CREATE_TABLE_CONF_KEY, "no");
    exception.expect(TableNotFoundException.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));
  }
Force use of combiner in doMROnTableTest. Boolean. Default is true.
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTsv.java