test/udev-test.pl: suppress umount error message at startup
authorMartin Wilck <mwilck@suse.com>
Thu, 26 Apr 2018 11:25:11 +0000 (13:25 +0200)
committerThe Plumber <50238977+systemd-rhel-bot@users.noreply.github.com>
Mon, 25 Jan 2021 14:05:18 +0000 (15:05 +0100)
commit453df9eb2bbfa34f3e4b78e917812f0ac6958010
treeb141a946af00eb3606fca94339a32260473b89f5
parent6c3191e979165700f98903b76621c214186a110c
test/udev-test.pl: suppress umount error message at startup

umount emits an error message "no mount point specified" if the
tmpfs isn't mounted yet, which is the normal case.
Suppress that by redirecting stderr.

(cherry picked from commit f1cb0860549e775be5f91237b5a3b97698dd14dd)

Related: #1642728
test/udev-test.pl