Add 'withKeyword' to mixin application 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 1151 matching lines @@
     with TopLevelParserTestMixin {
   @override
   @failingTest
   void test_parseClassDeclaration_native() {
     // TODO(paulberry): TODO(paulberry,ahe): Fasta parser doesn't appear to support "native" syntax yet.
     super.test_parseClassDeclaration_native();
   }
 
   @override
   @failingTest
-  void test_parseClassDeclaration_typeAlias_withB() {
-    // TODO(paulberry,ahe): capture `with` token.
-    super.test_parseClassDeclaration_typeAlias_withB();
-  }
-
-  @override
-  @failingTest
   void test_parseCompilationUnit_builtIn_asFunctionName() {
     // TODO(paulberry,ahe): Fasta's parser is confused when one of the built-in
     // identifiers `export`, `import`, `library`, `part`, or `typedef` appears
     // as the name of a top level function with an implicit return type.
     super.test_parseCompilationUnit_builtIn_asFunctionName();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix() {
@@ skipping 87 matching lines @@
   }
 
   @override
   @failingTest
   void test_parsePartOfDirective_uri() {
     // TODO(paulberry,ahe): URIs in "part of" declarations are not supported by
     // Fasta.
     super.test_parsePartOfDirective_uri();
   }
 }