anchor.diff:    }
   
     test_field_static_late() {
  -    featureSet = FeatureSet.forTesting(
  -        sdkVersion: '2.2.2', additionalFeatures: [Feature.non_nullable]);
  +    featureSet = enableNnbd;
       UnlinkedVariable variable =
           serializeClassText('class C { static late int i; }').fields[0];
       expect(variable.isLate, isTrue);
  
positive.code:   }
  
    test_field_static_final_late() {
      featureSet = FeatureSet.forTesting(
          sdkVersion: '2.2.2', additionalFeatures: [Feature.non_nullable]);
      UnlinkedVariable variable =
          serializeClassText('class C { static late final int i = 0; }')
              .fields[0];
  
negative.code:   }
  
    test_field_late() {
      featureSet = enableNnbd;
      UnlinkedClass cls = serializeClassText('class C { late int i; }');
      UnlinkedVariable variable = findVariable('i', variables: cls.fields);
      expect(variable, isNotNull);
  