private void createArchiveDirectory() throws IOException {
    // create the archive and test directory
    FileSystem fs = UTIL.getTestFileSystem();
    Path archiveDir = getArchiveDir();
    fs.mkdirs(archiveDir);
  }
Test archiving/cleaning across multiple tables, where some are retained, and others aren't
@throws Exception on failure
hbase-server/src/test/java/org/apache/hadoop/hbase/backup/example/TestZooKeeperTableArchiveClient.java