We duplicate test runner code in a number of places, mostly for Python services. We should have a simplified Python test runner we can use more widely, so that we can share basic ergonomic improvements for our Python test runners.
<rdar://problem/111220802>
Pull request: https://github.com/WebKit/WebKit/pull/15243
Committed 265519@main (41ea5f4983d4): <https://commits.webkit.org/265519@main> Reviewed commits have been landed. Closing PR #15243 and removing active labels.