def test_remove_tags(tmp_path: pathlib.Path):
    tmp_file = tmp_path / "openapi.json"
    openapi_json = tutorial003_py39.app.openapi()
    tmp_file.write_text(json.dumps(openapi_json))

    with patch("pathlib.Path", return_value=tmp_file):
        importlib.import_module("docs_src.generate_clients.tutorial004_py39")

    modified_openapi = json.loads(tmp_file.read_text())
    assert modified_openapi == {
        "components": {