That $144 would have been for a single two-day test. Anyway, getting caught up in specific remediations that could have prevented this is beside the point. For

That $144 would have been for a single two-day test. Anyway, getting caught up in specific remediations that could have prevented this is beside the point. For development you want a safe testing environment because mistakes, gaps, misunderstandings, bugs are a fundamental part of it. The entire point of tests and testing environments is to discover the problems you know exist but need to test to find.