Fixing ntp launchtest #483

Job	Run time
diagnostic_aggregator on humble	3m 58s
diagnostic_aggregator on iron	4m 2s
diagnostic_aggregator on rolling	4m 18s
diagnostic_common_diagnostics on humble	3m 24s
diagnostic_common_diagnostics on iron	3m 7s
diagnostic_common_diagnostics on rolling	3m 31s
diagnostic_updater on humble	3m 31s
diagnostic_updater on iron	3m 13s
diagnostic_updater on rolling	3m 8s
self_test on humble	3m 18s
self_test on iron	3m 2s
self_test on rolling	36s
	39m 8s

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