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-144/2017-02-23-0006/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-23-0006/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-23-0006/samba.stdout
  
The top commit at the time of the failure was:

commit b5226ac50264c395d3fcdfabb12052b52e59cf94
Author: Edward Betts <edward at 4angle.com>
Date:   Thu Jan 26 21:41:12 2017 +0000

    fix spelling of 'unchangeable'
    
    Signed-off-by: Edward Betts <edward at 4angle.com>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    Reviewed-by: Garming Sam <garming at catalyst.net.nz>
    
    Autobuild-User(master): Garming Sam <garming at samba.org>
    Autobuild-Date(master): Wed Feb 22 12:21:51 CET 2017 on sn-devel-144