Add TestCase
Add TestCase

- `Task.Result` should has exception if it get exception or cancels.
- `Task.Result` should wait if it is running.
- `Task.Delay` should ignore cancellation when `CancellationTokenSource.Cancel` is called twice or more.
- Await `Task` should has exception if it get exception or cancels.

ataihei/MinimumAsyncBridge,munegon/MinimumAsyncBridge,ufcpp/MinimumAsyncBridge,LeonAkasaka/MinimumAsyncBridge,ppcuni/MinimumAsyncBridge,OrangeCube/MinimumAsyncBridge