- Change "static final" to "static const" in the

pkg/unittest/unittest.dart

Index: pkg/unittest/unittest.dart
===================================================================
--- pkg/unittest/unittest.dart	(revision 11633)
+++ pkg/unittest/unittest.dart	(working copy)
@@ -200,9 +200,9 @@
 
 String _uncaughtErrorMessage = null;
 
-final _PASS  = 'pass';
-final _FAIL  = 'fail';
-final _ERROR = 'error';
+const _PASS  = 'pass';
+const _FAIL  = 'fail';
+const _ERROR = 'error';
 
 /** If set, then all other test cases will be ignored. */
 TestCase _soloTest;
@@ -302,7 +302,7 @@
 
 // TODO(sigmund): make a singleton const field when frog supports passing those
 // as default values to named arguments.
-final _sentinel = const _Sentinel();
+const _sentinel = const _Sentinel();
 
 /** Simulates spread arguments using named arguments. */
 // TODO(sigmund): remove this class and simply use a closure with named