Fix dartc stub generator tests.

tests/stub-generator/src/MintMakerFullyIsolatedTest.dart

Index: tests/stub-generator/src/MintMakerFullyIsolatedTest.dart
===================================================================
--- tests/stub-generator/src/MintMakerFullyIsolatedTest.dart	(revision 432)
+++ tests/stub-generator/src/MintMakerFullyIsolatedTest.dart	(working copy)
@@ -218,14 +218,14 @@
   static void expectDone(int n) {
     if (results === null) {
       Expect.equals(0, n);
-      //print('##DONE##');
+      print('##DONE##');
     } else {
       Promise done = new Promise();
       done.waitFor(results, results.length);
       done.then((ignored) { 
         //print('done all ' + n + '/' + results.length);
         Expect.equals(n, results.length);
-        //print('##DONE##');
+        print('##DONE##');
       });
     }
   }