public static String toString(JobId jid) {
    return jid.toString();
  }
@Test
  @Timeout(120000)
  public void testTaskIDtoString() {
    TaskId tid = RecordFactoryProvider.getRecordFactory(null).newRecordInstance(TaskId.class);
    tid.setJobId(RecordFactoryProvider.getRecordFactory(null).newRecordInstance(JobId.class));
    tid.getJobId().setAppId(ApplicationId.newInstance(0, 0));
    tid.setTaskType(TaskType.MAP);
    TaskType type = tid.getTaskType();
    System.err.println(type);
    type = TaskType.REDUCE;
    System.err.println(type);
    System.err.println(tid.getTaskType());
    assertEquals("task_0_0000_m_000000", MRApps.toString(tid));
    tid.setTaskType(TaskType.REDUCE);
    assertEquals("task_0_0000_r_000000", MRApps.toString(tid));
  }