@Test
public void testJobStartTimeBackwardsCompatible() throws IOException{

  String jobHistoryFile = String.format(OLD_FORMAT_BEFORE_ADD_START_TIME,
      JOB_ID,
      SUBMIT_TIME,
      USER_NAME,
      JOB_NAME_WITH_DELIMITER_ESCAPE,
      FINISH_TIME,
      NUM_MAPS,
      NUM_REDUCES,
      JOB_STATUS,
      QUEUE_NAME );
  JobIndexInfo info = FileNameIndexUtils.getIndexInfo(jobHistoryFile);
  Assert.assertEquals(info.getJobStartTime(), info.getSubmitTime());
}