Get 'test' working properly with acls and supplementary groups#9149

jefft wants to merge 6 commits intouutils:mainuutils/coreutils:mainfrom

jefft:fix/8960-9147-test-work-with-acls-and-supplementary-groupsjefft/coreutils:fix/8960-9147-test-work-with-acls-and-supplementary-groupsCopy head branch name to clipboard