We just released Testo 0.2.0, an OCaml test library with support for snapshots, parallel runs, xfails, timeouts.
View the full announcement here: https://discuss.ocaml.org/t/ann-testo-0-2-0-test-library-with-support-for-snapshots-parallel-runs-xfails-timeouts/17244
Documentation: https://semgrep.github.io/testo/
Install: opam install testo