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-144/2017-03-22-1211/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-03-22-1211/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-03-22-1211/samba.stdout
  
The top commit at the time of the failure was:

commit e7d1d8c49322a131e7ca1993f9956f0bddcaff3c
Author: Andreas Schneider <asn at samba.org>
Date:   Mon Mar 20 12:22:44 2017 +0100

    nsswtich: Add negative tests for authentication with wbinfo
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12708
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Uri Simchoni <uri at samba.org>
    
    Autobuild-User(master): Uri Simchoni <uri at samba.org>
    Autobuild-Date(master): Wed Mar 22 10:58:58 CET 2017 on sn-devel-144