Test diagnostics #80

Job	Run time
diagnostic_aggregator on humble	2m 45s
diagnostic_aggregator on iron	2m 49s
diagnostic_aggregator on rolling	3m 11s
diagnostic_common_diagnostics on humble	2m 12s
diagnostic_common_diagnostics on iron	2m 34s
diagnostic_common_diagnostics on rolling	2m 39s
diagnostic_updater on humble	2m 6s
diagnostic_updater on iron	2m 22s
diagnostic_updater on rolling	2m 34s
self_test on humble	2m 28s
self_test on iron	2m 26s
self_test on rolling	2m 48s
	30m 54s

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