Gemfile in twitter_cldr_js-2.2.3 vs Gemfile in twitter_cldr_js-2.2.4

@@ -9,9 +9,9 @@
   platform :mri_18 do
     gem 'rcov'
   end
 end
 
-group :development do
+group :development, :test do
   gem 'pry'
   gem 'pry-nav'
 end
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