Pretty sure money is just figures in computers these days anyway.
Plus I haven’t used cash in over 20 years, and if it gets to the point where I need to due to the collapse of civilisation then I’ve got bigger problems than the internet not working. And money will probably be irrelevant.
No, I don’t think it was a test drive. I think it was a human-made issue caused by poor change management and insufficient testing made worse by ever increasingly complicated systems, and overworked, underpaid IT departments.