public Path getDataTestDir(final String name) {
    return new Path(getDataTestDir(), name);
  }
@param name the name of a subdirectory or file in the test data directory
@return Path to a subdirectory or file named {code subdirName} under {@link #getDataTestDir()}.
        Does *NOT* create the directory or file if it does not exist.
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseCommonTestingUtility.java