DONT MERGE !!!(FM-7655) test of setting rubygem version

[tphoney]

No description provided.

[ekohl]

In theforeman org I also saw failures. Is this to fix the issue with github_changelog_generator requiring ruby 2.2.2 despite not being needed in tests or do you see another issue? One difference is that we don't do a gem update --system in theforeman though. For comparison: https://travis-ci.org/theforeman/puppet-katello/builds/470122778

[tphoney]

@ekohl i am testing out this change puppetlabs/pdk-templates#171 before i merge to pdk-templates master. I will then roll this out to all supported modules assuming everything looks good. the other test prs are puppetlabs/puppetlabs-motd#187 & puppetlabs/puppetlabs-mysql#1149

[ekohl]

Ah, looks like a different issue then though perhaps it's the same root cause.

[tphoney]

we can likely clean up the travis before_install. but that is a major change before the christmas break. break being the operative word.

thanks for the eyes @ekohl 👍