anchor.diff:    }
   
     @failingTest
  -  @potentialAnalyzerProblem
  +  @notForDart2
     test_parameter_checked() async {
  +    // @checked is deprecated, use `covariant` instead.
       await super.test_parameter_checked();
     }
   
     @failingTest
  -  @potentialAnalyzerProblem
  +  @notForDart2
     test_parameter_checked_inherited() async {
  +    // @checked is deprecated, use `covariant` instead.
       await super.test_parameter_checked_inherited();
     }
   
  
positive.code:   }
  
    @failingTest
    @potentialAnalyzerProblem
    test_typedef_generic_asFieldType() async {
      // TODO(scheglov): triage
      await super.test_typedef_generic_asFieldType();
    }
  
    @failingTest
    @potentialAnalyzerProblem
    test_typedef_type_parameters_bound() async {
      // TODO(scheglov): triage
      await super.test_typedef_type_parameters_bound();
    }
  
  
negative.code:   @failingTest
    @potentialAnalyzerProblem
    test_class_type_parameters_bound() async {
      // https://github.com/dart-lang/sdk/issues/29561
      // Fasta does not provide a flag for explicit vs. implicit Object bound.
      await super.test_class_type_parameters_bound();
    }
  