anchor.diff:  
     @override
     @failingTest
  -  test_generalizedVoid_useOfVoidInNullOperatorRhsError() async {
  -    return super.test_generalizedVoid_useOfVoidInNullOperatorRhsError();
  -  }
  -
  -  @override
  -  @failingTest
     test_generalizedVoid_useOfVoidReturnInNonVoidFunctionError() async {
       return super.test_generalizedVoid_useOfVoidReturnInNonVoidFunctionError();
     }
  
positive.code:     return super.test_generalizedVoid_useOfVoidNullPropertyAccessError();
    }
  
    @override
    @failingTest
    test_generalizedVoid_assignToVoidOk() async {
      return super.test_generalizedVoid_assignToVoidOk();
    }
  
    @failingTest
    @override
    test_useOfVoidResult_assignmentExpression_function() async {
  
negative.code: 
    @failingTest
    @override
    test_useOfVoidResult_variableDeclaration_method2() async {
      return super.test_useOfVoidResult_variableDeclaration_method2();
    }
  