[389-devel] Please review: CI test: add test case for ticket 47313

Ticket #47313 - Indexed search with filter containing '&' and "!" with attribute subtypes gives wrong result

https://fedorahosted.org/389/ticket/47313

Attachment 0001-Ticket-47313-CI-test-add-test-case-for-ticket-47313.patch​ added
git patch file (master) -- CI test: add test case for ticket 47313

My first test case...  Borrowed the framework code from #47560 and replaced just the test part.

Ran the script against the master and no assertion failure was reported.