autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-01-26-0231/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-01-26-0231/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-01-26-0231/samba.stdout
  
The top commit at the time of the failure was:

commit 849169a7b6ed0beb78bbddf25537521c1ed2f8e1
Author: Swen Schillig <swen at vnet.ibm.com>
Date:   Thu Jan 25 11:02:15 2018 +0100

    Fix wrong condition for error string assignment
    
    Signed-off-by: Swen Schillig <swen at vnet.ibm.com>
    Reviewed-by: Volker Lendecke <vl at samba.org>
    Reviewed-by: David Disseldorp <ddiss at samba.org>
    
    Autobuild-User(master): David Disseldorp <ddiss at samba.org>
    Autobuild-Date(master): Thu Jan 25 17:19:12 CET 2018 on sn-devel-144