Fix travis by using plabs gemfile

.travis.yml

@@ -1,6 +1,6 @@
 ---
 language: ruby
-bundler_args: --without development
+bundler_args: --without system_tests
 script: "bundle exec rake validate && bundle exec rake lint && bundle exec rake spec SPEC_OPTS='--format documentation'"
 matrix:
   fast_finish: true

Gemfile

@@ -1,15 +1,18 @@
 source ENV['GEM_SOURCE'] || "https://rubygems.org"
 
-group :development, :test do
-  gem 'rake',                    :require => false
-  gem 'rspec-puppet',            :require => false
-  gem 'puppetlabs_spec_helper',  :require => false
-  gem 'serverspec',              :require => false
-  gem 'puppet-lint',             :require => false
-  gem 'beaker',                  :require => false
-  gem 'beaker-rspec',            :require => false
-  gem 'pry',                     :require => false
-  gem 'simplecov',               :require => false
+group :development, :unit_tests do
+  gem 'rake', :require => false
+  gem 'rspec-puppet', :require => false
+  gem 'puppetlabs_spec_helper', :require => false
+  gem 'puppet-lint', :require => false
+  gem 'simplecov', :require => false
+  gem 'puppet_facts', :require => false
+  gem 'json', :require => false
+end
+
+group :system_tests do
+  gem 'beaker-rspec', :require => false
+  gem 'serverspec', :require => false
 end
 
 if facterversion = ENV['FACTER_GEM_VERSION']