bug#70861: 'pipe-output' test fails on Alpine Linux, macOS, Solaris 11 OmniOS

Hi, On Alpine Linux, building gzip from git (with the newest gnulib) and running "make check" produces 1 test failure: FAIL: pipe-output = + initial_cwd_=/work/gzip-2024-05-10/tests + testdir_prefix_ + printf gt + pfx_=gt + mktempd_ /work/gzip-2024-05-10/tests gt-pipe-output.XXX

bug#70862: 'write-error' test fails on NetBSD when run as root

Hi, On NetBSD, building gzip from git (with the newest gnulib) and running "make check" as root produces 1 test failure: FAIL: write-error = FAIL write-error (exit status: 1) How to reproduce: 1. Download tarball.zip from https://github.com/gnu-gzip/ci-check/actions/runs/9