autobuild[sn-devel-104]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-104) 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-104/2016-02-19-0807/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-02-19-0807/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-104/2016-02-19-0807/samba.stdout
  
The top commit at the time of the failure was:

commit afc81e08a2b6e8b68022854aaa7c8c2a44109894
Author: Adrian Cochrane <adrianc at catalyst.net.nz>
Date:   Wed Feb 17 12:43:51 2016 +1300

    tests: Replace realpath with the more available 'readlink -f'
    
    The deprecation of the Debian realpath caused issues on one of the
    machines we attempted to build on.
    
    Signed-off-by: Adrian Cochrane <adrianc at catalyst.net.nz>
    Reviewed-by: Garming Sam <garming at catalyst.net.nz>
    Reviewed-by: Uri Simchoni <uri at samba.org>
    
    Autobuild-User(master): Garming Sam <garming at samba.org>
    Autobuild-Date(master): Fri Feb 19 04:43:50 CET 2016 on sn-devel-144