main exit test: wait for gateway name to appear #2725

Job	Run time
build-arm64	33m 25s
build	9m 25s
build-ceph	2m 4s
discovery (container)	3m 53s
discovery (embedded)	4m 1s
atom	22m 33s
demo (unsecured)	4m 1s
demo (psk)	6m 17s
pytest (cli)	2m 24s
demo (dhchap)	4m 27s
ha (sanity)	3m 50s
pytest (cli_change_lb)	8m 3s
pytest (state)	2m 9s
ha (ns_lb_change)	4m 4s
pytest (multi_gateway)	2m 11s
ha (no_subsystems)	3m 14s
pytest (server)	2m 43s
ha (state_transitions)	4m 40s
pytest (grpc)	2m 42s
ha (state_transitions_both_gws)	6m 13s
pytest (omap_lock)	3m 18s
ha (state_transitions_loop)	16m 57s
pytest (log_files)	2m 49s
ha (state_transitions_rand_loop)	16m 50s
pytest (nsid)	3m 15s
ha (late_registration)	4m 14s
pytest (psk)	2m 18s
ha (late_registration_loop)	8m 42s
pytest (dhchap)	2m 19s
ha (4gws)	9m 5s
ha (4gws_loop)	11m 36s
ha (4gws_create_delete)	9m 3s
ha (4gws_create_delete_loop)	11m 11s
ha (namespaces)	12m 5s
ha (namespaces_loop)	20m 53s
ha (mtls)	3m 46s
ha (notify)	2m 17s
ha (ceph_status)	2m 8s
ha (blocklist)	2m 45s
ha (main_exit)	1m 38s
push-images-to-ceph-registry	1s
	4h 39m 29s

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