Make PASS, FAIL, ERROR public (see issue 5365).

pkg/unittest/unittest.dart

Index: pkg/unittest/unittest.dart
===================================================================
--- pkg/unittest/unittest.dart	(revision 12787)
+++ pkg/unittest/unittest.dart	(working copy)
@@ -206,9 +206,9 @@
 
 String _uncaughtErrorMessage = null;
 
-const _PASS  = 'pass';
-const _FAIL  = 'fail';
-const _ERROR = 'error';
+const PASS  = 'pass';
+const FAIL  = 'fail';
+const ERROR = 'error';
 
 /** If set, then all other test cases will be ignored. */
 TestCase _soloTest;
@@ -799,9 +799,9 @@
 
   for (TestCase t in _tests) {
     switch (t.result) {
-      case _PASS:  testsPassed_++; break;
-      case _FAIL:  testsFailed_++; break;
-      case _ERROR: testsErrors_++; break;
+      case PASS:  testsPassed_++; break;
+      case FAIL:  testsFailed_++; break;
+      case ERROR: testsErrors_++; break;
     }
   }
   _config.onDone(testsPassed_, testsFailed_, testsErrors_, _tests,