GHA Windows runner is slow and timing out

Github actions tests on Windows end up hanging and timing out at random points within the test execution. This looks like the test code or product code is hanging, but after some time, the logs progress and the timestamps show no sign of a hang. Eventually, the tests hit timeout altogether and the job is cancelled.

After much debugging, I do not see any issues in the test code that would cause this. It is also a known issue that GHA Windows runners can run quite slow, hang, and get bogged down. This may just be fallout from that.

Let's keep this issue open to track and revisit in the future.

No files or tests are named. Start by reviewing the GitHub Actions Windows test job and its timeout logs, then compare the reported pauses with the test execution timestamps. Done means determining whether the delays come from the runner or the test/product code and recording the findings for future follow-up.