public Path getDefaultRootDirPath() throws IOException {
    return getDefaultRootDirPath(false);
  }
Same as {{@link HBaseTestingUtil#getDefaultRootDirPath(boolean create)} except that
<code>create</code> flag is false. Note: this does not cause the root dir to be created.
@return Fully qualified path for the default hbase root dir
hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java