Flaky hard delete: /mob/living/simple_animal/hostile/mimic/crate

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Flaky tests were detected in this test run. This means that there was a failure that was cleared when the tests were simply restarted.
Failures:

create_and_destroy: /mob/living/simple_animal/hostile/mimic/crate hard deleted 1 times out of a total del count of 12 at code/modules/unit_tests/create_and_destroy.dm:99