The open source use pattern for expect tests in OCaml (via dune) is exactly as you describe (see https://dune.readthedocs.io/en/stable/tests.html https://dune.r

The open source use pattern for expect tests in OCaml (via dune) is exactly as you describe (see https://dune.readthedocs.io/en/stable/tests.html https://dune.readthedocs.io/en/stable/tests.html) - you run the tests with `--auto-promote` to tell it to update. The editor integration is a very simple keybinding on top of more generic tooling.