There were a bunch of tests that were breaking make check and should
never be run in batch mode, because they do things like assuming there
is a controlling tty or assuming we can access network services when
we can't (e/g. in a CI/CD environment). I have shotgunned this
problem by tagging all the failing tests with :nobatch and then
changing the default and expensive selectors so make check won't barf
all over its shoes.
As many of these :nobatch should be individually removed as possible, after
upgrading the test harness to mock the environmental stuff they need.
Investigate these failures with "make check-nobatch".
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