Tweak demo/discovery #521

Job	Run time
build-ceph	2m 2s
build	7m 2s
discovery (container)	1m 39s
pytest (cli)	9m 30s
discovery (embedded)	3m 43s
ha (sanity)	3m 47s
pytest (state)	1m 50s
ha (state_transitions)	3m 30s
pytest (multi_gateway)	9m 32s
demo	4m 37s
ha (state_transitions_both_gws)	4m 33s
pytest (server)	9m 30s
ha (state_transitions_loop)	9m 27s
pytest (grpc)	9m 33s
ha (state_transitions_rand_loop)	9m 33s
pytest (omap_lock)	9m 31s
ha (late_registration)	4m 25s
pytest (old_omap)	9m 32s
ha (late_registration_loop)	9m 28s
pytest (log_files)	9m 33s
pytest (nsid)	9m 32s
push-to-registry	1s
	2h 21m 50s

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