puppet-test-env.pp

package {
  "rubygems":
    ensure  => present;
  "puppet-lint":
    require  => Package["rubygems"],
    ensure   => present,
    provider => gem;
  "rspec-expectations":
    require  => Package["rubygems"],
    ensure   => present,
    provider => gem;
  "rspec-puppet":
    require  => Package["rubygems", "rspec-expectations"],
    ensure   => present,
    provider => gem;
}