I've been shipping software internationally for 5 years, and I've seen localization bugs tank launches in ways that make deployment failures look quaint. Currency displays in the wrong locale. Dates that make Japanese users think the app was built in 1970. Phone numbers that break form validation in Brazil. Last week, I decided to actually test TestSprite on a real project instead of adding it to the backlog graveyard. Here's what a few hours with the tool taught me about building software that doesn't embarrass itself globally. What I Actually Did I took TestSprite for a spin on a fintech dashboard we're building — the kind of app where localization mistakes literally cost money. The platform claims to automate locale testing across dates, currencies, numbers, and timezone rendering. I was skeptical. Most QA tools promise everything and deliver smoke.…