AO3-6601 Fix flaky orphan work tests #4656
Merged
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Issue
https://otwarchive.atlassian.net/browse/AO3-6601
Purpose
Fix flaky orphan work tests by adding a simulated delay before orphaning. This means the cache is expired when orphaning and we don't get an intermittent failure.
Testing Instructions
No manual QA required. I ran the test 50x here (and them re-ran all of them once for good measure), with no failures. Only the "Scenario: I can orphan multiple works at once" semi-regularly failed for me in previous runs, so I am not completely sure that the other tests are no longer flaky. But as long as they're not failing, I'd say it's fine.
References
Fix and workflow to test the fix based on #4372.
Credit
Bilka (he/him)