'double' tests have been disabled in aa03833 due to format change
in ntp fields.
Change-Id: Id3ab0a736c164bb7fdfed7b5da8856b512308978
Reviewed-on: https://code.wireshark.org/review/30366
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>