CommitterEventHandler handler = new CommitterEventHandler(mockContext,
mockCommitter, new TestingRMHeartbeatHandler());
YarnConfiguration conf = new YarnConfiguration();
conf.set(MRJobConfig.MR_AM_STAGING_DIR, stagingDir);
JobContext mockJobContext = mock(JobContext.class);
ApplicationAttemptId attemptid =
ConverterUtils.toApplicationAttemptId("appattempt_1234567890000_0001_0");
JobId jobId = TypeConverter.toYarn(
TypeConverter.fromYarn(attemptid.getApplicationId()));