CI red on issue-427: test-macos #559

CI is red on issue-427 at bdeac1e: these checks fail there, so every pull request into issue-427 inherits them.

• test-macos: https://github.com/JacobStephens2/thirdshift/actions/runs/37734511028/job/113170904217

Found by the thirdshift Run on #538, whose pull request is #558.

Fix the checks on issue-427. Do not skip, disable, or weaken tests or checks to make them pass.