TL;DR: TestSprite is a solid testing tool for developers who need faster feedback loops on UI changes. Its locale detection is powerful, but the timezone handling has gaps. Real-world verdict: 8/10 for internationalization workflows. The Setup I've been shipping apps to 15+ countries, and locale bugs hit production fast. Date formats flip, currency displays break, non-ASCII inputs silently fail, and translation gaps crater the user experience. When a friend recommended TestSprite, I decided to run it through a real project — a fintech dashboard with heavy i18n requirements. Here's what I found. What TestSprite Does Right Locale Detection is Genuinely Fast TestSprite's automatic locale detection saved me ~40 manual test cases. Instead of manually switching system locale settings or mocking different regional configurations, TestSprite detects and applies them on-the-fly.…