anchor.diff:    }
   
     test_const_topLevel_typedList_imported() {
  -    shouldCompareConstValues = true;
       addLibrarySource('/a.dart', 'class C {}');
       checkLibrary(r'''
   import 'a.dart';
  
positive.code:   }
  
    test_const_reference_staticField() {
      shouldCompareConstValues = true;
      checkLibrary(r'''
  class C {
    static const int F = 42;
  
negative.code:   }
  
    test_const_invokeConstructor_unnamed_imported() {
      addLibrarySource(
          '/a.dart',
          r'''
  