Fixing ntp launchtest #541

Job	Run time
diagnostic_aggregator on humble	2m 36s
diagnostic_aggregator on iron	2m 38s
diagnostic_aggregator on rolling	2m 48s
diagnostic_common_diagnostics on humble	1m 58s
diagnostic_common_diagnostics on iron	2m 9s
diagnostic_common_diagnostics on rolling	2m 2s
diagnostic_updater on humble	2m 27s
diagnostic_updater on iron	2m 14s
diagnostic_updater on rolling	2m 12s
self_test on humble	2m 23s
self_test on iron	2m 23s
self_test on rolling	2m 36s
	28m 26s

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