(maint) fix test to run under strict variables
(maint) fix test to run under strict variables

HelenCampbell/puppetlabs-ntp,bmjen/puppetlabs-ntp,fuel-infra/puppetlabs-ntp,DavidS/puppetlabs-ntp,puppetlabs/puppetlabs-ntp,HelenCampbell/puppetlabs-ntp