def METHOD_NAME():
  # TODO: Setup DN to not load the plugin, which is a common user error.
  # We don't actually use the mini_cluster. But the cluster sets up the correct
  # configuration that forms the test basis.
  minicluster = pseudo_hdfs4.shared_cluster()
  cli = make_logged_in_client()
  old_caches = clear_sys_caches()
  try:
    resp = cli.get('/debug/check_config')
    assert_false('Failed to access filesystem root' in resp.content)
    assert_false('Failed to create' in resp.content)
    assert_false('Failed to chown' in resp.content)
    assert_false('Failed to delete' in resp.content)
  finally:
    restore_sys_caches(old_caches)