anchor.diff:    }
   
     test_type_never_disableNnbd() async {
  -    featureSet = disableNnbd;
  +    featureSet = featureSetLegacy;
       var library = await checkLibrary('Never d;');
       checkElementText(
           library,
  
positive.code:   }
  
    test_class_fields_late() async {
      featureSet = enableNnbd;
      var library = await checkLibrary('''
  class C {
    late int foo;
  
negative.code:   }
  
    test_class_ref_nullability_star() async {
      featureSet = featureSetLegacy;
      var library = await checkLibrary('''
  class C {}
  C c;
  