Fix test.dart return code -- was causing fake greenness on dartc, dart2dart

tools/testing/dart/test_progress.dart

Index: tools/testing/dart/test_progress.dart
===================================================================
--- tools/testing/dart/test_progress.dart	(revision 13334)
+++ tools/testing/dart/test_progress.dart	(working copy)
@@ -86,7 +86,7 @@
     _printTimingInformation();
     stdout.close();
     stderr.close();
-    if (_failedTests) exit(1);
+    if (_failedTests > 0) exit(1);

[Mads Ager (google), 2012/10/06 06:16:36]

Oh my. :(

[Ivan Posva, 2012/10/11 04:40:39]

Shouldn't this have failed in checked mode? Maybe it is time to run the test
harness in checked mode occasionally? Or at least when modifying the harness
itself?

   }
 
   void _printStartProgress(TestCase test) {}
@@ -235,7 +235,7 @@
     }
     stdout.close();
     stderr.close();
-    if (_failedTests) exit(1);
+    if (_failedTests > 0) exit(1);
   }
 
   void allTestsKnown() {