That's the only thing in language_2/async_no_suspend.
A little weird, but I think it's worth copying it just to minimize the
diff between the two test directories.
Change-Id: Iac7078d8e44ac63331c38bd6465a654880bbeb98
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134905
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Commit-Queue: Nicholas Shahan <nshahan@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
