I noticed that we disable a test in GRUB's test suite because it required Parted and (presumably) had not packaged it yet.
I added it to native-inputs and successfully built GRUB on x86_64 and i686. Leo Famulari (1): gnu: grub: Re-enable test. gnu/packages/grub.scm | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) -- 2.8.2
