Gemfile in letter_opener-web-0.1.2 vs Gemfile in letter_opener-web-0.2.0

@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in letter_opener-web.gemspec
 gemspec
+
+group :development, :test do
+  gem 'coveralls', :require => false
+end