Include passing tests in BuildResult.results

tools/gardening/lib/src/buildbot_loading.dart

Index: tools/gardening/lib/src/buildbot_loading.dart
diff --git a/tools/gardening/lib/src/buildbot_loading.dart b/tools/gardening/lib/src/buildbot_loading.dart
index 59056bcd818a6bd32039f0762279e7c3246c1b8b..6767bd01eeb50f01267cc8f943240cc1b19d4eb5 100644
--- a/tools/gardening/lib/src/buildbot_loading.dart
+++ b/tools/gardening/lib/src/buildbot_loading.dart
@@ -103,6 +103,11 @@ BuildResult parseTestStepResult(BuildUri buildUri, String text) {
     } else if (line.startsWith('FAILED:')) {
       currentFailure = <String>[];
       currentFailure.add(line);
+    } else if (line.startsWith('Done ')) {
+      TestStatus status = parseTestStatus(line);
+      if (status != null) {
+        results.add(status);
+      }
     }
     if (line.startsWith('--- Total time:')) {
       parsingTimingBlock = true;