In order for asynchronous tests to work on the web, they have to tell the test runner that * the test is async * when the async test has finished running This is done via calling asyncStart/asyncEnd. Issue https://github.com/dart-lang/sdk/issues/52631 Issue https://github.com/dart-lang/sdk/issues/55865 Change-Id: I790960d7da708de4e36be9197ceb3e89f316a84e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368581 Reviewed-by: Ömer Ağacan <omersa@google.com> Commit-Queue: Martin Kustermann <kustermann@google.com>
expect.dart
