This feels like the sort of thing that has led to the development of determinist...

This feels like the sort of thing that has led to the development of deterministic simulation testing (DST) techniques as pioneered by FoundationDB and TigerBeetle.

https://notes.eatonphil.com/2024-08-20-deterministic-simulat...

I hope something like this becomes popular in the Rust/Tokio space. It seems like Turmoil is that?

https://tokio.rs/blog/2023-01-03-announcing-turmoil