def METHOD_NAME(self):
    """Tests all words from the test vocabulary provided by M Porter
    The sample vocabulary and output were sourced from
    https://tartarus.org/martin/PorterStemmer/voc.txt and
    https://tartarus.org/martin/PorterStemmer/output.txt
    and are linked to from the Porter Stemmer algorithm's homepage
    at https://tartarus.org/martin/PorterStemmer/
    """
    with closing(
        data.find("stemmers/porter_test/porter_martin_output.txt").open(
            encoding="utf-8"
        )
    ) as fp:
        self._test_against_expected_output(
            PorterStemmer.MARTIN_EXTENSIONS, fp.read().splitlines()
        )