Fix some broken tests.

test/instance_test.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.
 
 import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:vm_service_client/vm_service_client.dart';
 import 'package:test/test.dart';
 
@@ skipping 312 matching lines @@
       var context = await value.context.load();
       expect(context.variables, hasLength(1));
       expect(context.variables.first, new isInstanceOf<VMIntInstanceRef>());
       expect(context.parent.length, equals(0));
     });
 
     test("a type", () async {
       var value = await _evaluate("<int>[].runtimeType");
 
       expect(value, new isInstanceOf<VMTypeInstanceRef>());
-      expect(value.name, equals("_GrowableList<int>"));
+      expect(value.name, equals("List<int>"));
       expect(value.typeClass.name, equals("_GrowableList"));
 
       value = await value.load();
       var arguments = value.arguments;
       expect(arguments.name, equals("<int>"));
 
       arguments = await arguments.load();
       expect(arguments.types, hasLength(1));
       expect(arguments.types.first, new isInstanceOf<VMTypeInstanceRef>());
       expect(arguments.types.first.name, equals("int"));
     });
   });
 }
 
 Future<VMInstanceRef> _evaluate(String expression) async {
   var isolate = await (await client.getVM()).isolates.first.load();
   return await isolate.rootLibrary.evaluate(expression);
 }