published: true description: "A developer's honest review of TestSprite: the autonomous AI testing agent that generates, runs, and patches tests for you. Including locale handling observations." tags: testing, ai, webdev, devtools cover_image: https://storage.googleapis.com/runable-templates/cli-uploads%2FgcLrVl9Cg6BLWTHb6clQeDzRFGBCNd4h%2F1kCxrovt5t9apSMJWdkFB%2Ftestsprite_hero.png I've been building a small SaaS app — a content scheduling tool with a REST API and a React frontend. It handles user authentication, date-time scheduling across timezones, and multi-currency billing. The kind of app where locale bugs hide in plain sight until a user in Tokyo or Berlin reports them. I decided to run it through TestSprite — an autonomous AI testing agent that promises to generate test plans, write the code, execute it in cloud sandboxes, and self-patch failures without me writing a single line of test code. Here's my honest experience.…