Language tests updated to use const instead of final.

tests/language/list_literal3_test.dart

Index: tests/language/list_literal3_test.dart
diff --git a/tests/language/list_literal3_test.dart b/tests/language/list_literal3_test.dart
index ebc58d242b4e8313779f0408e4292d6575fc7a20..4a11b1da90f740d2d55c890d60c879b0fb63f44a 100644
--- a/tests/language/list_literal3_test.dart
+++ b/tests/language/list_literal3_test.dart
@@ -1,11 +1,11 @@
 // Copyright (c) 2011, 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.
-// Check that arrays from final array literals are immutable.
+// Check that arrays from const array literals are immutable.
 
 class ListLiteral3Test {
 
-  static final List<String> canonicalJoke = const ["knock", "knock"];
+  static const List<String> canonicalJoke = const ["knock", "knock"];
 
   static testMain() {