## Summary of the Pull Request
This will allow us to run the ConPTY tests in CI.
## PR Checklist
* [x] Closes MSFT:24265197
* [X] I've discussed this with core contributors already.
## Validation Steps Performed
I've run the tests.
Please note: this code is unchanged (apart from `wil::ScopeExit` -> `wil::scope_exit`) from Windows. Now is not the time to comment on their perfectness.