44b1ba1ef4
Leave some observatory tests to run in --no-sync-async modes as changing these tests now would make them fail if somebody tries to run them with the --no-sync-async flag. We can modify these tests once we do not have a way to revert this flag. Change-Id: I4a888448c3ed7a89ebc1d187f2ca11f1d620d7df Reviewed-on: https://dart-review.googlesource.com/54632 Reviewed-by: Zach Anderson <zra@google.com>