Remove an erroneous _outstandingCallbackZone (#1480)
I missed this call in #1270
Since there is no longer a `_counterKey` in the zone values for this
call to `runZoned` it doesn't make sense for it to be stored in the list
of zones that have async counters.
diff --git a/pkgs/test_api/lib/src/backend/invoker.dart b/pkgs/test_api/lib/src/backend/invoker.dart
index dad3e1a..a1c64b6 100644
--- a/pkgs/test_api/lib/src/backend/invoker.dart
+++ b/pkgs/test_api/lib/src/backend/invoker.dart
@@ -369,8 +369,6 @@
Chain.capture(() {
_guardIfGuarded(() {
runZoned(() async {
- _outstandingCallbackZones.add(Zone.current);
-
// Run the test asynchronously so that the "running" state change
// has a chance to hit its event handler(s) before the test produces
// an error. If an error is emitted before the first state change is
