Port enums AST changes to Dart.

pkg/analyzer/test/generated/non_error_resolver_test.dart

 // Copyright (c) 2014, 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.
 
 library engine.non_error_resolver_test;
 
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/parser.dart' show ParserErrorCode;
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:unittest/unittest.dart' as _ut;
 import 'resolver_test.dart';
 import 'test_support.dart';
 import '../reflective_tests.dart';
 
 
 class NonErrorResolverTest extends ResolverTestCase {
   void fail_undefinedEnumConstant() {
-    Source source = addSource(EngineTestCase.createSource(["enum E { ONE }", "E e() {", "  return E.ONE;", "}"]));
+    Source source = addSource(EngineTestCase.createSource(["enum E { ONE }", "E e() {", "  return E.TWO;", "}"]));
     resolve(source);
     assertNoErrors(source);
     verify([source]);
   }
 
   void test_ambiguousExport() {
     Source source = addSource(EngineTestCase.createSource([
         "library L;",
         "export 'lib1.dart';",
         "export 'lib2.dart';"]));
@@ skipping 4228 matching lines @@
 
   void _check_wrongNumberOfParametersForOperator1(String name) {
     _check_wrongNumberOfParametersForOperator(name, "a");
   }
 }
 
 main() {
   _ut.groupSep = ' | ';
   runReflectiveTests(NonErrorResolverTest);
 }