TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext = new JobContext(taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
committer.commitJob(jobContext);
Assert.assertEquals(taskAttemptContext.getStatus(), "Commit Successful");
//Test for idempotent commit
committer.commitJob(jobContext);
Assert.assertEquals(taskAttemptContext.getStatus(), "Commit Successful");