def METHOD_NAME(self) -> None:
    with pytest.deprecated_call(match=r"urllib3 v2\.1\.0"):
        field = RequestField.from_tuples(
            "file", ("näme", "data"), header_formatter=format_header_param_rfc2231
        )
    cd = field.headers["Content-Disposition"]
    assert cd == "form-data; name=\"file\"; filename*=utf-8''n%C3%A4me"