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-144/2017-07-06-1238/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-07-06-1238/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-07-06-1238/samba.stdout
  
The top commit at the time of the failure was:

commit 1de439035308b80a6bedc8110d02a4c29388c975
Author: Andreas Schneider <asn at samba.org>
Date:   Wed Jul 5 10:30:35 2017 +0200

    unittests: Do not install the test_dummy rpc module
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=12879
    
    Signed-off-by: Andreas Schneider <asn at samba.org>
    Reviewed-by: Alexander Bokovoy <ab at samba.org>
    
    Autobuild-User(master): Andreas Schneider <asn at cryptomilk.org>
    Autobuild-Date(master): Wed Jul  5 22:21:06 CEST 2017 on sn-devel-144