anchor.diff:  
     // ignore: non_constant_identifier_names
     void test_suggestClass() {
  -    final selector = new ClassSelector(
  -        new SelectorName('myclass', new SourceRange(10, 5), null));
  +    final selector =
  +        ClassSelector(SelectorName('myclass', SourceRange(10, 5), null));
   
       final suggestions = _evenInvalidSuggestions(selector);
       expect(suggestions.length, 1);
  
positive.code: 
    // ignore: non_constant_identifier_names
    void test_toStringIsAlphabeticalProperties() {
      final tag = new HtmlTagForSelector()
        ..name = "tagname"
        ..setAttribute("apple")
        ..setAttribute("flick")
  
negative.code: 
    // ignore: non_constant_identifier_names
    void test_suggestPropertyNoValue() {
      final selector =
          AttributeSelector(SelectorName('attr', SourceRange(10, 5), null), null);
  
      final suggestions = _evenInvalidSuggestions(selector);
      expect(suggestions.length, 1);
  