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-144/2018-03-08-0123/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-08-0123/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2018-03-08-0123/samba.stdout
  
The top commit at the time of the failure was:

commit 7f625f9b27b229f74a88dfe6d86fadd060c47160
Author: Gary Lockyer <gary at catalyst.net.nz>
Date:   Tue Jan 23 11:03:16 2018 +1300

    ldb_mod_op_test: Make sure that closing the database frees locks
    
    Without the destructor firing, this test used to pass, but now we show
    that we must be able to open a new ldb handle.
    
    Signed-off-by: Gary Lockyer <gary at catalyst.net.nz>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Andrew Bartlett <abartlet at samba.org>
    Autobuild-Date(master): Wed Mar  7 04:38:02 CET 2018 on sn-devel-144