testing._run_testset
(internal) Run all children of a testset with optional runner middleware.
Reference version
Signature
function testing._run_testset(
(internal) Run all children of a testset with optional runner middleware.
A custom TestSetRunner receives the children as a plain closure and runs
them however it likes, outside the pool's budget — the built-in runners are
sequential (inherently capped) or take a local fallback pool (PassRate).
Source:<builtin>/testing/registry.bamlbytes 24815–25072