On: You need to be able to run your system

[minitoar]

You can possibly stub out the IRS with realistic test cases that you care about.

[TheCoelacanth → minitoar]

> "Run an individual service against mocks" doesn't count.

> "Run most services in a mostly-isolated development environment, calling out to a few hard-to-run external services" doesn't count.

[minitoar → TheCoelacanth]

I think they're talking about services that you or your firm develops, or maintains, or ships. In this case the IRS is none of those things.

[gfunk911 → minitoar]

Yes, obviously this. People who don't understand this either just want to argue, or haven't thought about this at all.