Fixing unit tests #448

Job	Run time
static_flow test on ubuntu-22.04	9m 13s
static_flow test on ubuntu-24.04	40m 17s
no_mirror test on ubuntu-22.04	11m 21s
no_mirror test on ubuntu-24.04	40m 17s
flakey_broker test on ubuntu-22.04	12m 11s
flakey_broker test on ubuntu-24.04	10m 10s
dynamic_flow test on ubuntu-22.04	17m 15s
dynamic_flow test on ubuntu-24.04	40m 21s
restart_server test on ubuntu-22.04	12m 33s
restart_server test on ubuntu-24.04	10m 2s
	3h 23m 40s

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