This fixes an error in the randomized test that would cause the future returned from `Worktree::share` to never finish due to a bug in `postage` that causes its waker to not be notified upon drop.
This fixes an error in the randomized test that would cause the future returned from `Worktree::share` to never finish due to a bug in `postage` that causes its waker to not be notified upon drop.