job.finishTask(taskAttemptID[0]);
job.finishTask(taskAttemptID[1]);
job.finishTask(taskAttemptID[2]);
clock.advance(1000);
//Some tasks finish in 2 second (on trackers[1])
job.finishTask(taskAttemptID[3]);
job.finishTask(taskAttemptID[4]);
job.finishTask(taskAttemptID[5]);
assertEquals("Tracker "+ trackers[0] + " expected to be not slow ",
job.isSlowTracker(trackers[0]), false);
clock.advance(100000);