Dummy bbv2 test pr (flutter#3602)

*Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.*

*List which issues are fixed by this PR. You must list at least one issue.*

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*

app_dart/lib/src/request_handlers/scheduler/request_subscription.dart

@@ -48,6 +48,7 @@ class SchedulerRequestSubscription extends SubscriptionHandler {
       try {
         jsonData = jsonDecode(data) as Map<String, dynamic>;
       } on FormatException {
+        log.info('alternate decoding method being tried.');
         jsonData = json.decode(String.fromCharCodes(base64.decode(data))) as Map<String, dynamic>;
       }
       request = BatchRequest.fromJson(jsonData);