internal/rosa/package/gnu: disable flaky coreutils tests

These are huge and have incomprehensible output. Probability of failure increases under load, so disable them.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/gnu.az

@@ -370,6 +370,8 @@ test_disable() { chmod +w "$2" && echo "$1" > "$2"; }
 test_disable '#!/bin/sh' gnulib-tests/test-c32ispunct.sh
 test_disable '#!/bin/sh' tests/ls/hyperlink.sh
 test_disable '#!/bin/sh' tests/misc/user.sh
+test_disable '#!/bin/sh' tests/split/line-bytes.sh
+test_disable '#!/bin/sh' tests/ls/stat-vs-dirent.sh
 test_disable 'int main(){return 0;}' gnulib-tests/test-chown.c
 test_disable 'int main(){return 0;}' gnulib-tests/test-fchownat.c
 test_disable 'int main(){return 0;}' gnulib-tests/test-lchown.c