code: def test_ls_not_existed_url():
      from time import time
  
      dirname = "__{}_{}".format("not_existed", time())
      with pytest.raises(CloneError):
          Repo.ls(dirname, recursive=True)
  
imports: import os
  import shutil
  import textwrap
  from operator import itemgetter
  import pytest
  from dvc.repo import Repo
  from dvc.scm import CloneError
label_desc: Use image node_id 27 for calling a global function with example usage: test_ls_not_existed_url() without return types