code: def test_fio_ls_indent(path_coutwildrnp_shp):
      result = CliRunner().invoke(
          main_group, ["ls", "--indent", "4", path_coutwildrnp_shp]
      )
      assert result.exit_code == 0
      assert len(result.output.strip().splitlines()) == 3
      assert json.loads(result.output) == ["coutwildrnp"]
  
file_path: Fiona/tests/test_fio_ls.py
imports: import json
  import sys
  import os
  from click.testing import CliRunner
  import pytest
  import fiona
  from fiona.fio.main import main_group
label_desc: Use image node_id 2 for calling a global function with example usage: test_fio_ls_indent(path_coutwildrnp_shp) without return types