@BeforeClass
  public static void setupCluster() throws Exception {
    setupConf(UTIL.getConfiguration());
    UTIL.startMiniCluster();

    // We don't want the cleaner to remove files. The tests do that.
    UTIL.getMiniHBaseCluster().getMaster().getHFileCleaner().cancel(true);

    POOL = DirScanPool.getHFileCleanerScanPool(UTIL.getConfiguration());
  }
Setup the config for the cluster
hbase-server/src/test/java/org/apache/hadoop/hbase/backup/TestHFileArchiving.java