UserGroupInformation MR_UGI = UserGroupInformation.getLoginUser();
// Create a TestJobInProgressListener.MyListener and associate
// it with the MiniMRCluster
myListener = new MyListener();
conf.set(JTConfig.JT_IPC_HANDLER_COUNT, "1");
mrCluster = new MiniMRCluster(0, 0,
numTT, fs.getUri().toString(),
1, null, null, MR_UGI, new JobConf());
// make cleanup inline sothat validation of existence of these directories