959 fixed the `/etc/cron.deny` bug in #946 and `/etc/cron.daily` bug in #954, but regression tests were missing

Description

[ ] Bug fix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to change)
[x] Chore (non-breaking change that does not add functionality or fix an issue)

[x] I have read the CONTRIBUTING document.
[x] I have run the pre-merge tests locally and they pass.
[ ] I have updated the documentation accordingly.
[ ] I have added tests to cover my changes.
[ ] If Gemfile.lock has changed, I have used --conservative to do it and included the full output in the Description above.
[ ] All new and existing tests passed.
[x] All commits have been signed-off for the Developer Certificate of Origin.