def METHOD_NAME(coookie_widget):
    coookie_widget.setup({
        "opt_1": "test",
        "opt_2": "{{ cookiecutter.opt_1 }}",
        "_opt_3": "{{ cookiecutter.opt_1 }}",
        "__opt_4": "{{ cookiecutter.opt_1 }}",
    })
    ows = coookie_widget.get_values()
    assert ows["_opt_3"] == ows["_opt_3"]
    assert ows["__opt_4"] == ows["__opt_4"]