swarm/src/connection: Test max_negotiating_inbound_streams

[mxinden]

Description

Test that HandlerWrapper upholds the provided max_negotiating_inbound_streams limit.

Links to any relevant issues

Feature introduced in #2697.

Open Questions

Change checklist

• [x] I have performed a self-review of my own code
• ~~[ ] I have made corresponding changes to the documentation~~
• ~~[ ] I have added tests that prove my fix is effective or that my feature works~~
• ~~[ ] A changelog entry has been made in the appropriate crates~~

[mxinden]

@thomaseizinger @elenaf9 could one of you give this pull request a review?

[mxinden]

Thanks for the review @thomaseizinger. I addressed all your comments. Let me know what you think.

[mxinden]

Thanks for the help @thomaseizinger!