(#14138) Fix spec test for aptitude changes.
(#14138) Fix spec test for aptitude changes.

Fix spec test related to apttitude update -> apt-get update change,

puppetlabs/puppetlabs-apt,imphil/puppetlabs-apt,gwdg/puppetlabs-apt,zoide/puppet-apt,gizmoguy/puppetlabs-apt,imphil/puppetlabs-apt