- Add `weak` to mock variables called `delegate` - Delete `UserNotificationCenterSpy` and use `UserNotificationCenterMock` - Remove Task.sleep in favour of mock closures along with expectations/fulfillment.
- Add `weak` to mock variables called `delegate` - Delete `UserNotificationCenterSpy` and use `UserNotificationCenterMock` - Remove Task.sleep in favour of mock closures along with expectations/fulfillment.