Fixing ntp launchtest #527

Job	Run time
diagnostic_aggregator on humble	2m 40s
diagnostic_aggregator on iron	2m 53s
diagnostic_aggregator on rolling	2m 57s
diagnostic_common_diagnostics on humble	2m 16s
diagnostic_common_diagnostics on iron	2m 47s
diagnostic_common_diagnostics on rolling	2m 38s
diagnostic_updater on humble	2m 27s
diagnostic_updater on iron	2m 44s
diagnostic_updater on rolling	2m 10s
self_test on humble	2m 16s
self_test on iron	2m 38s
self_test on rolling	2m 29s
	30m 55s

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