selftest: Add prefix to new schema attributes to avoid flapping dsdb_schema_attributes
If two of these unit tests run in the same second they could
select the same name, as the name was only based on the time
and a common prefix.
As observed by Jeremy Allison. Thanks for the report!
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14819
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Sep 6 02:32:51 UTC 2021 on sn-devel-184