Fixing ntp launchtest #548

Job	Run time
diagnostic_aggregator on humble	2m 47s
diagnostic_aggregator on iron	2m 49s
diagnostic_aggregator on rolling	2m 54s
diagnostic_common_diagnostics on humble	2m 18s
diagnostic_common_diagnostics on iron	2m 29s
diagnostic_common_diagnostics on rolling	2m 17s
diagnostic_updater on humble	2m 30s
diagnostic_updater on iron	2m 26s
diagnostic_updater on rolling	2m 33s
self_test on humble	2m 46s
self_test on iron	2m 25s
self_test on rolling	2m 25s
	30m 39s

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