code: def test_config_list():
      args = parse_args(["config", "--list"])
  
      assert args.list
      assert args.name is None
      assert args.value is None
  
imports: import os
  import pytest
  from dvc.cli import DvcParserError, parse_args
  from dvc.cli.command import CmdBase
  from dvc.commands.add import CmdAdd
  from dvc.commands.checkout import CmdCheckout
  from dvc.commands.config import CmdConfig
  from dvc.commands.data_sync import CmdDataPull, CmdDataPush
  from dvc.commands.init import CmdInit
  from dvc.commands.remove import CmdRemove
  from dvc.commands.repro import CmdRepro
  from dvc.commands.status import CmdDataStatus
  from dvc.exceptions import NotDvcRepoError
label_desc: Use image node_id 9 for calling a global function with example usage: test_config_list() without return types