Update Fasta parser expectations to reflect 5de9108c16f1eeddf4b8a3a47c60eecb55758ee2.

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/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';
 import 'package:front_end/src/fasta/analyzer/ast_builder.dart';
@@ skipping 961 matching lines @@
   @override
   @failingTest
   void test_parseCompilationUnit_empty() {
     // TODO(paulberry): No objects placed on stack
     super.test_parseCompilationUnit_empty();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix() {
-    // TODO(paulberry): TODO(paulberry,ahe): Fasta parser doesn't appear to handle this case correctly.
+    // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_exportAsPrefix();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix_parameterized() {
     // TODO(paulberry): Unhandled event: TypeArguments
     super.test_parseCompilationUnit_exportAsPrefix_parameterized();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_operatorAsPrefix_parameterized() {
     // TODO(paulberry): Unhandled event: ConstructorReference
     super.test_parseCompilationUnit_operatorAsPrefix_parameterized();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_script() {
     // TODO(paulberry): No objects placed on stack
     super.test_parseCompilationUnit_script();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_typedefAsPrefix() {
-    // TODO(paulberry): TODO(paulberry,ahe): Fasta parser doesn't appear to handle this case correctly.
+    // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_typedefAsPrefix();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnitMember_abstractAsPrefix() {
     // TODO(paulberry): Unhandled event: ConstructorReference
     super.test_parseCompilationUnitMember_abstractAsPrefix();
   }
 
@@ skipping 199 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();
   }
 }