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-144/2017-02-15-0703/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-15-0703/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-02-15-0703/samba.stdout
  
The top commit at the time of the failure was:

commit b73c2e66f590e592b77afcc96017be00ee64fdc4
Author: Bob Campbell <bobcampbell at catalyst.net.nz>
Date:   Fri Jan 27 15:22:27 2017 +1300

    python/tests: improve samba-tool replicate --local test
    
    It now makes sure that we only replicate incremental changes.
    
    Signed-off-by: Bob Campbell <bobcampbell at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    Reviewed-by: Stefan Metzmacher <metze at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Wed Feb 15 01:21:06 CET 2017 on sn-devel-144