[ratelimit] Test Fixes Added in PR + Request for Slack Access

[sagar waidande]

Hi Envoy Team,

I hope you’re doing well.

I’ve submitted a pull request with some test-related fixes.
https://github.com/envoyproxy/ratelimit/pull/1013

 Please let me know if any additional changes or updates are needed from my side.

Also, could you guide me on how to join the Envoy Slack workspace?
I’d like to collaborate more closely with the maintainers and follow ongoing discussions.

Thank you!

Best regards,
Sagar Waidande