Function added_and_removed

backend/src/git/activity.rs:1419–1448

()

        #[test]
        fn added_and_removed() {
            let topic1 = topic("Climate change");

            let change = Change::UpdateTopicSynonyms(UpdateTopicSynonyms {
                actor_id: "2".to_owned(),
                added_synonyms: SynonymList(BTreeMap::from([(
                    Locale::EN,
                    "Added synonym".to_owned(),
                )])),
                date: chrono::Utc::now(),
                id: Change::new_id(),
                parent_topics: BTreeSet::new(),
                removed_synonyms: SynonymList(BTreeMap::from([(
                    Locale::EN,
                    "Removed synonym".to_owned(),
                )])),
                reordered: false,
                // parent_topic: TopicInfo::from(&topic2),
                updated_topic: TopicInfo::from(&topic1),
            });

            assert_eq!(
                change.markdown(Locale::EN, "Gnusto", None),
                format!(
                    "Gnusto added \"Added synonym\" to and removed \"Removed synonym\" \
                    from [Climate change]({})",
                    topic1.relative_url(),
                ),
            );
        }

        #[test]
        fn removed() {