Cleaning up unittest configurations

pkg/unittest/lib/unittest.dart

Index: pkg/unittest/lib/unittest.dart
diff --git a/pkg/unittest/lib/unittest.dart b/pkg/unittest/lib/unittest.dart
index c615b123405933b2f2e93e81cbe0a49ec2742182..ea44bea5fe3a323834e325d3b5fb67639abbe000 100644
--- a/pkg/unittest/lib/unittest.dart
+++ b/pkg/unittest/lib/unittest.dart
@@ -822,19 +822,20 @@ _nextBatch() {
 /** Publish results on the page and notify controller. */
 _completeTests() {
   if (!_initialized) return;
-  int testsPassed_ = 0;
-  int testsFailed_ = 0;
-  int testsErrors_ = 0;
+  int passed = 0;
+  int failed = 0;
+  int errors = 0;
 
   for (TestCase t in _tests) {
     switch (t.result) {
-      case PASS:  testsPassed_++; break;
-      case FAIL:  testsFailed_++; break;
-      case ERROR: testsErrors_++; break;
+      case PASS:  passed++; break;
+      case FAIL:  failed++; break;
+      case ERROR: errors++; break;
     }
   }
-  _config.onDone(testsPassed_, testsFailed_, testsErrors_, _tests,
-      _uncaughtErrorMessage);
+  _config.onSummary(passed, failed, errors, _tests, _uncaughtErrorMessage);
+  _config.onDone(passed > 0 && failed == 0 && errors == 0 &&
+      _uncaughtErrorMessage == null);
   _initialized = false;
 }