@Ignore("Slow test (over 30s) - run manually if need to touch createDeepHardlink()")
@Test
public void testHardlinkCopyOfBigDir() throws IOException {

  final File bigDir = new File(this.baseDir.getAbsolutePath() + "/bigdir");
  bigDir.mkdir();
  createBigDir(bigDir.getAbsolutePath());
  FileIOUtils.createDeepHardlink(bigDir, this.destDir);
  assertThat(areDirsEqual(this.destDir, bigDir, true)).isTrue();
  FileUtils.deleteDirectory(bigDir);
}