[DRAFT] Trying to fix this unreproducible obnoxious test flake #749
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This stupid
core_tests::workflow_tasks::history_length_with_fail_and_timeout::use_cache_2_false::history_responses_case_3_3
test hangs like 60% of the time in CI but is literally unreproducible locally.Using this PR to speculate about fixes and see if I can get it to stop.
Closes #752