'Bind `block` to the supplied `user`.'

def _bind_block(self, block, user):

    course_id = self.course.id
    field_data_cache = FieldDataCache.cache_for_descriptor_descendents(course_id, user, block)
    return get_module_for_descriptor(user, Mock(name='request', user=user), block, field_data_cache, course_id, course=self.course)
