1dfae6829b
The error message when destroying a held snapshot no longer is `dataset is busy` but `it's being held. Run 'zfs holds -r <snapshot>' to see holders.` The existing `destroySnapshotsErrorRegexp` parses both formats correctly, but downstream test assertions in platformtest were checking for the literal `dataset is busy` string. refs - the PR that adds ZFS 2.3 & 2.4 to CI: https://github.com/zrepl/zrepl/pull/921 Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>