@AfterClass
  public static void tearDown() throws IOException {
    FileUtil.fullyDelete(workDir);
    FileSystem fs = warehousedir.getFileSystem(hiveConf);
    if (fs.exists(warehousedir)) {
      fs.delete(warehousedir, true);
    }
    if (mrCluster != null) {
      mrCluster.shutdown();
    }
  }
Private class which holds all the data for the test cases
hcatalog/core/src/test/java/org/apache/hive/hcatalog/mapreduce/TestHCatMultiOutputFormat.java