def METHOD_NAME(self):
    # Test nl_langinfo against known values
    tested = False
    for loc in candidate_locales:
        try:
            setlocale(LC_NUMERIC, loc)
            setlocale(LC_CTYPE, loc)
        except Error:
            continue
        for li, lc in ((RADIXCHAR, "decimal_point"),
                        (THOUSEP, "thousands_sep")):
            if self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc):
                tested = True
    if not tested:
        self.skipTest('no suitable locales')