'Tests GET thread_list api does not allow filtering on mutually exclusive parameters'

def test_mutually_exclusive(self):

    self.register_get_user_response(self.user)
    self.register_get_threads_search_response([], None, num_pages=0)
    response = self.client.get(self.url, {u'course_id': unicode(self.course.id), u'text_search': u'test    search    string', u'topic_id': u'topic1,    topic2'})
    self.assert_response_correct(response, 400, {u'developer_message': u'The    following    query    parameters    are    mutually    exclusive:    topic_id,    text_search,    following'})
