More uuid tests (flashbots#530)

## 📝 Summary

A new test exclusively for bundle uuids.

## 💡 Motivation and Context

My therapist says I'm an insecure guy and that makes me add tests.

## ✅ I have completed the following steps:

* [X] Run `make lint`
* [X] Run `make test`
* [X] Added tests (if applicable)

Author: ZanCorDX