I've been skeptical of AI-powered testing tools for a while. Most of them are glorified code generators that spit out flaky Playwright tests and call it a day. So when I heard about TestSprite — which promises to write, run, and maintain tests through an MCP integration — I decided to actually put it to work on a real project before writing a single word about it. The project: a mid-size e-commerce storefront built with Next.js 14, internationalized for US, EU, and Southeast Asian markets. It handles product listings, a checkout flow, and an admin dashboard. Exactly the kind of surface area where edge cases love to hide. Setup: Surprisingly Frictionless I plugged TestSprite into Cursor via MCP in about ten minutes. No separate config file, no obscure environment variables to hunt down. I pointed it at the repo, described the feature I wanted tested ("checkout flow with coupon code applied"), and it generated a full test suite — happy path, invalid coupon, expired coupon, and network timeout scenarios.…