internal/rosa: disable broken tests

These fail when running as users with supplementary groups, since they are unmapped in the container. This was not the case in the development container where all groups were dropped, so the failure was missed.

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

internal/rosa/gnu.go

@@ -203,6 +203,9 @@ test_disable() { chmod +w "$2" && echo "$1" > "$2"; }
 test_disable '#!/bin/sh' gnulib-tests/test-c32ispunct.sh
 test_disable '#!/bin/sh' tests/split/line-bytes.sh
 test_disable '#!/bin/sh' tests/dd/no-allocate.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
 `,
 		Flag: TEarly,
 	},