Fixing ntp launchtest #528

Job	Run time
diagnostic_aggregator on humble	3m 0s
diagnostic_aggregator on iron	3m 28s
diagnostic_aggregator on rolling	3m 6s
diagnostic_common_diagnostics on humble	2m 24s
diagnostic_common_diagnostics on iron	1m 58s
diagnostic_common_diagnostics on rolling	2m 0s
diagnostic_updater on humble	2m 34s
diagnostic_updater on iron	2m 32s
diagnostic_updater on rolling	1m 8s
self_test on humble	2m 30s
self_test on iron	2m 29s
self_test on rolling	2m 50s
	29m 59s

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