def test_add_already_added(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()
        prio_set_list.add(0, obj)

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(0, obj)
        excinfo.match(r"has already been added")

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(1, obj)
        excinfo.match(r"has already been added")
def _assert_community_contribution_stats_is_in_default_state(self):
        """Checks if the community contribution stats is in its default
        state.
        """
        community_contribution_stats = (
            suggestion_services.get_community_contribution_stats()
        )

        self.assertEqual(
            (
                community_contribution_stats
                .translation_reviewer_counts_by_lang_code
            ), {})
        self.assertEqual(
            (
                community_contribution_stats
                .translation_suggestion_counts_by_lang_code
            ), {})
        self.assertEqual(
            community_contribution_stats.question_reviewer_count, 0)
        self.assertEqual(
            community_contribution_stats.question_suggestion_count, 0)