Tested together with the two previous diffs
Created a custom testing sandbox to play with these:
1. Checkout this stack
2. Apply [[ https://gist.github.com/barthap/059f54c64e6918cf2dadacc281adf85e | this patch ]] and copy the `tests.rs` file contents attached there to the `services/blob/src/database/client/tests.rs`.
3. cargo run