40 tests passed, I shipped to production, and my core feature was completely broken. Here is what I learned about testing Chrome extensions. (opens in new tab)

day1tabsAdd%20to%20Chrome day1tabs # You have too many tabs open. You know you'll never go back to most of them. day1tabs closes your tabs at midnight and shows you which ones you actually used. Add to Chrome — Free ⭐ Featured on Chrome Web Store · 5.0 rating 🏆 Ranked #10 on Product Hunt Out of 350+ products launched on March 5, 2026. Featured on HuntScreens Zero data collection. Free forever. 0+ Tabs Closed 0.00 GB RAM Freed Estimated based on active installs As seen in Produ...