- Change "static final" to "static const" in the tests/ directory.

tests/isolate/multiple_timer_test.dart

 // Copyright (c) 2012, 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('multiple_timer_test');
 
 #import("dart:isolate");
 
 class MultipleTimerTest {
 
-  static final int TIMEOUT1 = 1000;
-  static final int TIMEOUT2 = 2000;
-  static final int TIMEOUT3 = 500;
-  static final int TIMEOUT4 = 1500;
+  static const int TIMEOUT1 = 1000;
+  static const int TIMEOUT2 = 2000;
+  static const int TIMEOUT3 = 500;
+  static const int TIMEOUT4 = 1500;
 
   static void testMultipleTimer() {
 
     void timeoutHandler1(Timer timer) {
       int endTime = (new Date.now()).millisecondsSinceEpoch;
       Expect.equals(true, (endTime - _startTime1) >= TIMEOUT1);
       Expect.equals(true, _order[_message] == 0);
       _message++;
     }
 
@@ skipping 43 matching lines @@
   static int _startTime2;
   static int _startTime3;
   static int _startTime4;
   static List<int> _order;
   static int _message;
 }
 
 main() {
   MultipleTimerTest.testMain();
 }