puppetlabs/rspec-system — pull request #12 by treydock (2013-05-27 19:17:17+00:00)
Title: Custom prefabs

Example of a Puppet module this has been used is [puppet-zfsonlinux](https://github.com/treydock/puppet-zfsonlinux).

These changes allow new boxes to be used or built-in boxes to be overridden.

Hopefully this works to resolve Issue #7