Gemfile: specify minimum rspec-puppet version

Only 2.2 contains all the features we're currently using. Documenting
that in the Gemfile should make that clear.

diff --git a/Gemfile b/Gemfile
index e35a72984fef948bfe8d18bb0c2e45894a74b0e6..64c906632d7b43138bce97ae185c2e4da7b0d960 100644 (file)
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ end
 group :development, :unit_tests do
   gem 'rake', '~> 10.1.0',       :require => false
   gem 'rspec', '~> 3.1.0',       :require => false
-  gem 'rspec-puppet',            :require => false
+  gem 'rspec-puppet', '~> 2.2',  :require => false
   gem 'mocha',                   :require => false
   # keep for its rake task for now
   gem 'puppetlabs_spec_helper',  :require => false