anchor.diff:            </div>"""));
         }
   
  -      te.elements.add(new Element.html("""
  +      te.children.add(new Element.html("""
           <div><button id='btnCollapseAll'>Collapse All</button></div>
          """));
   
         // handle the click event for the collapse all button
  -      te.query('#btnCollapseAll').on.click.add((_){
  +      te.query('#btnCollapseAll').onClick.listen((_){
           document
             .queryAll('.unittest-row')
             .forEach((el) => el.attributes['class'] = el.attributes['class']
  
positive.code:         _buildRow(test_, te, safeGroup, !groupPassFail);
        }
  
        document.body.elements.clear();
        document.body.elements.add(te);
      }
    }
  
  
negative.code:  */
  library unittest_html_enhanced_config;
  
  import 'dart:async';
  import 'dart:collection' show LinkedHashMap;
  import 'dart:html';
  import 'unittest.dart';
  