Test fix for new dart2js hints default.

pkg/analyzer/test/src/context/abstract_context.dart

 // Copyright (c) 2015, 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.src.task.abstract_context_test;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/context/context.dart';
@@ skipping 80 matching lines @@
 
   List<Source> newSources(Map<String, String> sourceMap) {
     List<Source> sources = <Source>[];
     sourceMap.forEach((String path, String content) {
       Source source = newSource(path, content);
       sources.add(source);
     });
     return sources;
   }
 
-  void setUp() {
-    // prepare AnalysisContext
+  void prepareAnalysisContext([AnalysisOptions options]) {
     sourceFactory = new SourceFactory(<UriResolver>[
       new DartUriResolver(sdk),
       new ResourceUriResolver(resourceProvider)
     ]);
     context = createAnalysisContext();
+    if (options != null) {
+      context.analysisOptions = options;
+    }
     context.sourceFactory = sourceFactory;
     analysisCache = context.analysisCache;
     analysisDriver = context.driver;
   }
 
+  void setUp() {
+    prepareAnalysisContext();
+  }
+
   void tearDown() {}
 }