Use when cron jobs, Kubernetes CronJobs, BullMQ repeat jobs, Sidekiq schedules or any time-based job need tests: cron expression validation, DST and leap-day edge cases, catch-up after downtime, overlapping-run locks with stale-lock recovery, and time zones.
The canonical home for this skill is testland/cron-job-test-author
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testland/qa
aa16752
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