* Move from AZDO to GitHub Actions.
* Fix Xunit test runner configuration.
* Ensure deterministic test order until test runs are stable.
* Update to use new organization settings.
* Remove obsolete AZDO pipelines file.
* Add custom Xunit runner to allow skipping tests after they have already failed, if the failure is expected (because of missing support in Jet).
* Finalize implementation and add crash detection support.