def list_selection_should_be(self, locator, *items):

         """Verifies the selection of select list identified by `locator` is exactly `*items`.

         If you want to test that no option is selected, simply give no `items`.

         Select list keywords work on both lists and combo boxes. Key attributes for

         select lists are `id` and `name`. See `introduction` for details about

         locating elements.

         """

         items_str = items and "option(s) [ %s ]" % " | ".join(items) or "no options"

         self._info("Verifying list '%s' has %s selected." % (locator, items_str))

         items = list(items)

         self.page_should_contain_list(locator)

         select, options = self._get_select_list_options_selected(locator)

         if not items and len(options) == 0:

             return

         selected_values = self._get_values_for_options(options)

         selected_labels = self._get_labels_for_options(options)

         err = "List '%s' should have had selection [ %s ] but it was [ %s ]" \

             % (locator, ' | '.join(items), ' | '.join(selected_labels))

         for item in items:

             if item not in selected_values + selected_labels:

                 raise AssertionError(err)

         for selected_value, selected_label in zip(selected_values, selected_labels):

             if selected_value not in items and selected_label not in items:

                 raise AssertionError(err)

FAIL : List 'id=creOutTime' should have had selection [ 0 | 1 ] but it was [ 无逾期 | 无记录(征信空白) | 贷款或贷记卡当前逾期金额>=300元 ]