Gemfile in credit_card_validations-4.1.0 vs Gemfile in credit_card_validations-5.0.0

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 group :test do
-  gem 'coveralls', require: false # Test coverage website. Go to https://coveralls.io
+  gem 'activemodel', ENV['RAILS_VERSION'], require: false
+  gem 'activesupport', ENV['RAILS_VERSION'], require: false
 end
 # Specify your gem's dependencies in credit_card_validations.gemspec
 gemspec