V03 issue643 - on_cleanup now works (needed by redisqueue ) #656

Job	Run time
static_flow test on ubuntu-20.04	8m 26s
static_flow test on ubuntu-22.04	8m 10s
flakey_broker test on ubuntu-20.04	12m 43s
flakey_broker test on ubuntu-22.04	12m 53s
dynamic_flow test on ubuntu-20.04	28m 39s
dynamic_flow test on ubuntu-22.04	25m 10s
restart_server test on ubuntu-20.04	9m 32s
restart_server test on ubuntu-22.04	12m 8s
	1h 57m 41s

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