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-144/2017-08-08-0937/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-08-0937/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-08-08-0937/samba.stdout
  
The top commit at the time of the failure was:

commit eb691cd024260f0bc97dbd1260a14575af0fb547
Author: Andreas Schneider <asn at samba.org>
Date:   Tue Aug 1 16:07:58 2017 +0200

    python:tests: Add test for warn_pwd_expire
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Mon Aug  7 19:11:02 CEST 2017 on sn-devel-144