gnupg is gnupg 2.2. gnupg1 is also gnupg 2.2, just with a few extra
symlinks in the bin directory. None of these packages need those
symlinks, and it's confusing for them to say they're depending on
"gnupg1", so switch their dep to plain "gnupg".
reading the code, it's hard to see how this test was *ever* supposed to
pass. interestingly, peeking across the fence, guix have disabled this test
too for the same reason.
note that tests don't actually run *at all* on py27 but that's a problem
for another day
