anchor.diff:    final String name;
     final Map<ChangeInResult, List<Result>> changeGroups;
     final Counts counts;
  -  final int tab;
  -
  -  ExpandableResult(this.name, this.changeGroups, this.counts, this.tab)
  +
  +  ExpandableResult(this.name, this.changeGroups, this.counts)
         : super(key: Key(name));
   
     @override
  
positive.code:             final name = filteredNames[index];
              final changeGroups = queryResults.grouped[name];
              final counts = queryResults.counts[name];
              return ExpandableResult(
                  name, changeGroups, counts, tabController.index);
            },
          );
        },
  
negative.code:                   onPressed: () => html.window.open(
                        Uri(
                                path: '/',
                                fragment: 'showLatestFailures=false&test=$name')
                            .toString(),
                        '_blank')),
              ],
            ),
          ),
          if (expanded)
            for (final change in changeGroups.keys)
              Container(
                alignment: Alignment.topLeft,
                padding: EdgeInsets.only(left: 48.0),
  