Fix for parsing 'const X()' with Fasta.

pkg/analyzer/test/generated/parser_fasta_test.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart' as analyzer;
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/generated/parser.dart' as analyzer;
 import 'package:analyzer/src/generated/utilities_dart.dart';
@@ skipping 400 matching lines @@
   }
 
   @override
   @failingTest
   void test_parseCascadeSection_pap_typeArgumentComments() {
     super.test_parseCascadeSection_pap_typeArgumentComments();
   }
 
   @override
   @failingTest
-  void test_parseConstExpression_instanceCreation() {
-    super.test_parseConstExpression_instanceCreation();
-  }
-
-  @override
-  @failingTest
   void test_parseConstExpression_listLiteral_typed_genericComment() {
     super.test_parseConstExpression_listLiteral_typed_genericComment();
   }
 
   @override
   @failingTest
   void test_parseConstExpression_mapLiteral_typed_genericComment() {
     super.test_parseConstExpression_mapLiteral_typed_genericComment();
   }
 
@@ skipping 111 matching lines @@
   @override
   @failingTest
   void
       test_parsePostfixExpression_none_methodInvocation_typeArgumentComments() {
     super
         .test_parsePostfixExpression_none_methodInvocation_typeArgumentComments();
   }
 
   @override
   @failingTest
-  void test_parsePrimaryExpression_const() {
-    super.test_parsePrimaryExpression_const();
-  }
-
-  @override
-  @failingTest
   void test_parsePrimaryExpression_listLiteral_typed_genericComment() {
     super.test_parsePrimaryExpression_listLiteral_typed_genericComment();
   }
 
   @override
   @failingTest
   void test_parsePrimaryExpression_mapLiteral() {
     super.test_parsePrimaryExpression_mapLiteral();
   }
 
@@ skipping 926 matching lines @@
   void test_parseTypeAlias_genericFunction_typeParameters_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_typeParameters_voidReturnType();
   }
 
   @override
   @failingTest
   void test_parseTypeAlias_genericFunction_voidReturnType() {
     super.test_parseTypeAlias_genericFunction_voidReturnType();
   }
 }