docs: def clear_max_attempts(self):
          """stub"""
          if (self.get_max_attempts_metadata().is_read_only() or
                  self.get_max_attempts_metadata().is_required()):
              raise NoAccess()
          self.my_osid_object_form._my_map['maxAttempts'] = \
              list(self._max_attempts_metadata['default_integer_values'])[0]