'\'attachment\', specifying a filename of foo-Ã€-â¬.html.
Using RFC2231 encoded UTF-8, but declaring ISO-8859-1.
The octet %82 does not represent a valid ISO-8859-1 code point, so the
UA should really ignore the parameter.'

def test_attwithfn2231utf8_bad(self, header_checker):

    header_checker.check_ignored("attachment;    iso-8859-1''foo-%c3%a4-%e2%82%ac.html")
