'Problem with extended hint features.'

def get_problem(self):

    xml = dedent('\n                                                <problem>\n                                                <p>question    text</p>\n                                                <stringresponse    answer="A">\n                                                                <stringequalhint    answer="C"><a    href="#">aa    bb</a>    cc</stringequalhint>\n                                                                <textline    size="20"/>\n                                                </stringresponse>\n                                                <demandhint>\n                                                        <hint>aa    <a    href="#">bb</a>    cc</hint>\n                                                        <hint><a    href="#">dd        ee</a>    ff</hint>\n                                                </demandhint>\n                                                </problem>\n                                ')
    return XBlockFixtureDesc('problem', 'PROBLEM    HTML    HINT    TEST', data=xml)
