Enable enum and deferred import support

pkg/analysis_server/test/services/completion/imported_computer_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 test.services.completion.toplevel;
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/completion_manager.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_cache.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
@@ skipping 192 matching lines @@
 
   /**
    * Ensure that completions in one context don't appear in another
    */
   test_multiple_contexts() {
 
     // Create a 2nd context with source
     var context2 = AnalysisEngine.instance.createAnalysisContext();
     context2.sourceFactory =
         new SourceFactory([AbstractContextTest.SDK_RESOLVER, resourceResolver]);
-    {
-      AnalysisOptionsImpl options =
-          new AnalysisOptionsImpl.con1(context2.analysisOptions);
-      options.enableAsync = true;
-      options.enableEnum = true;
-      context2.analysisOptions = options;
-    }
     String content2 = 'class ClassFromAnotherContext { }';
     Source source2 =
         provider.newFile('/context2/foo.dart', content2).createSource();
     ChangeSet changeSet = new ChangeSet();
     changeSet.addedSource(source2);
     context2.applyChanges(changeSet);
     context2.setContents(source2, content2);
 
     // Resolve the source in the 2nd context and update the index
     var result = context2.performAnalysisTask();
@@ skipping 34 matching lines @@
 
   @override
   test_partFile_TypeName2() {
     return super.test_partFile_TypeName2().then((_) {
       expect(
           request.cache.importKey,
           'library libA;import "/testB.dart";part "/testA.dart";');
     });
   }
 }