Test diagnostics #91

Job	Run time
diagnostic_aggregator on humble	3m 6s
diagnostic_aggregator on iron	2m 57s
diagnostic_aggregator on rolling	2m 55s
diagnostic_common_diagnostics on humble	2m 15s
diagnostic_common_diagnostics on iron	2m 22s
diagnostic_common_diagnostics on rolling	2m 51s
diagnostic_updater on humble	2m 11s
diagnostic_updater on iron	2m 32s
diagnostic_updater on rolling	2m 39s
self_test on humble	2m 41s
self_test on iron	2m 44s
self_test on rolling	2m 32s
	31m 45s

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