code: def test_env_gdal_data_wheel():
      runner = CliRunner()
      result = runner.invoke(main_group, ["env", "--gdal-data"])
      assert result.exit_code == 0
      assert result.output.strip() == os.path.join(
          os.path.dirname(fiona.__file__), "gdal_data"
      )
  
file_path: Fiona/tests/test_data_paths.py
imports: import os.path
  from click.testing import CliRunner
  import pytest
  import fiona
  from fiona._env import GDALDataFinder, PROJDataFinder
  from fiona.fio.main import main_group
label_desc: Use image node_id 3 for calling a global function with example usage: test_env_gdal_data_wheel() without return types