The locale config is set in application.rb from environment variables
already. We don't need to repeat that logic in test.rb. And because it
was outdated, the language switcher was actually broken in the test
environment. We did have an English selector for the fallback `en` even
though we were already displaying English as en_TST. And after
switchting to Spanish, we could switch back because en_TST was not in
the available locales.
I now fixed the test with the right assumption and the config to solve
the problem.
Several years ago, some checkout features got rewritten and some specs
became invalid. They had been set to pending to keep the option of
rewriting them one day. Some were re-written. But I'm deleting the
remainder.
If we haven't "needed" these specs for several years then I question
their use. System specs are expensive and should only cover the most
common scenarios or the ones we know could go wrong (after a bug
report). We can always write new specs if needed. Otherwise they are
just adding to maintenance cost.
