When an image uses systemd journald acts as a main syslog daemon using
/dev/log.
The test_syslog_logger try to log a predifined message into the syslog
using logger and then search using grep in /var/log/messages if this
fails for some reason (file rotated) now search the predifined message
into the journal.
(From OE-Core rev: 26d7e5060a35d20df6f2586b70ed8d2853cc0186)
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>