Ticket 49244 - resolve various test case issues
Bug Description: With the changes to nsmemberof and nsworkers
various test case issues were shown. Most of these are timing
related, but some were related to the expectation of memberof
to "fail" in some cases.
Fix Description: Fix the issues in the test cases, and assert they
still pass (and validly test their tests)
https://pagure.io/389-ds-base/issue/49244
Author: wibrown
Review by: spichugi (Thanks!)