Roll Observatory deps (charted -> ^0.3.0)

packages/smoke/test/common.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.
 
 /// Common test code that is run by 3 tests: mirrors_test.dart,
 /// mirrors_used_test.dart, and static_test.dart.
 library smoke.test.common;
 
 import 'package:smoke/smoke.dart' as smoke;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 main() {
   test('read value', () {
     var a = new A();
     expect(smoke.read(a, #i), 42);
     expect(smoke.read(a, #j), 44);
     expect(smoke.read(a, #j2), 44);
   });
 
   test('write value', () {
@@ skipping 413 matching lines @@
 abstract class L {
   int get m;
   incM();
 }
 
 class L2 extends L {
   int m;
   incM() { ++m; }
   int n;
 }