code: def test_list_model(self):
      runner = CliRunner()
      result = runner.invoke(list_model, ["--all"])
      print(result.output)
  
imports: from click.testing import CliRunner
  from unittest import TestCase, skip
  from underthesea.cli import download_model, list_model
label_desc: Use image node_id 2 for calling the TestCliModel obj's underlying member method code with example usage: obj.test_list_model() without return types