anchor.diff:    }
   
     @failingTest
  -  void test_parsePrimaryExpression_null() {
  -    super.test_parsePrimaryExpression_null();
  -  }
  -
  -  @failingTest
     void test_parsePrimaryExpression_parenthesized() {
       super.test_parsePrimaryExpression_parenthesized();
     }
   
     @failingTest
  -  void test_parsePrimaryExpression_string() {
  -    super.test_parsePrimaryExpression_string();
  -  }
  -
  -  @failingTest
  -  void test_parsePrimaryExpression_string_multiline() {
  -    super.test_parsePrimaryExpression_string_multiline();
  -  }
  -
  -  @failingTest
  -  void test_parsePrimaryExpression_string_raw() {
  -    super.test_parsePrimaryExpression_string_raw();
  -  }
  -
  -  @failingTest
     void test_parsePrimaryExpression_super() {
       super.test_parsePrimaryExpression_super();
     }
  
positive.code:   }
  
    @failingTest
    void test_parsePrimaryExpression_hex() {
      super.test_parsePrimaryExpression_hex();
    }
  
    @failingTest
    void test_parsePrimaryExpression_identifier() {
      super.test_parsePrimaryExpression_identifier();
    }
  
    @failingTest
    void test_parsePrimaryExpression_int() {
      super.test_parsePrimaryExpression_int();
    }
  
    @failingTest
    void test_parsePrimaryExpression_listLiteral() {
      super.test_parsePrimaryExpression_listLiteral();
    }
  
negative.code:   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
  
    @override
    Expression parseExpression(String source,
        {List<ErrorCode> codes,
        List<ExpectedError> errors,
        int expectedEndOffset}) {
      ScannerResult scan = scanString(source);
  
      return CompilerContext.runWithOptions(options, (CompilerContext c) {
        KernelLibraryBuilder library = new KernelLibraryBuilder(
  