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-144/2017-08-30-1818/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-30-1818/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-30-1818/samba.stdout
  
The top commit at the time of the failure was:

commit a5a2243f073f00bbfd7692fb2fe68ea79830ae0d
Author: Andrew Bartlett <abartlet at samba.org>
Date:   Thu Aug 24 17:01:14 2017 +1200

    ldb: Add tests for indexed and unindexed search expressions
    
    Signed-off-by: Andrew Bartlett <abartlet at samba.org>
    Reviewed-by: Douglas Bagnall <douglas.bagnall at catalyst.net.nz>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Wed Aug 30 14:58:32 CEST 2017 on sn-devel-144