@AfterClass
  public static void releaseCluster() throws Exception {
    util.restoreCluster();
    if (!util.isDistributedCluster()) {
      util.shutdownMiniMapReduceCluster();
    }
    util = null;
  }
Validate ImportTsv + BulkLoadFiles on a distributed cluster.
hbase-it/src/test/java/org/apache/hadoop/hbase/mapreduce/IntegrationTestImportTsv.java