kbarber/facter — comment on commit 50af4963cfb5d85ecc889066781f978ae4e14a33
File: spec/unit/util/resolution_spec.rb line 319
By stschulte:

I'm not sure if we can get into ordering issues here. Because in this test we don't actually execute anything, so `$?` might also be nil and we call `success?` on nil

% irb
irb(main):001:0> $?
=> nil
irb(main):002:0>