'\'attachment\', specifying a filename of foo-%c3%a4-%e2%82%ac.html.
(using raw percent encoded UTF-8 to represent foo-Ã€-â¬.html)
UA should offer to download the resource as
"foo-%c3%a4-%e2%82%ac.html". Displaying "foo-Ã€-â¬.html" instead would
indicate that the UA has attempted to percent-decode the parameter
(using UTF-8). Displaying something else would indicate that the UA
tried to percent-decode, but used a different encoding.'

def test_attwithfnrawpctenclong(self, header_checker):

    header_checker.check_filename('attachment;    filename="foo-%c3%a4-%e2%82%ac.html"', 'foo-%c3%a4-%e2%82%ac.html')
