Gemfile in voltron-translate-0.2.0 vs Gemfile in voltron-translate-0.2.1

@@ -1,5 +1,9 @@
 source 'https://rubygems.org'
 source 'http://gem.minow.io'
 
 # Specify your gem's dependencies in voltron-translate.gemspec
 gemspec
+
+group :test do
+  gem 'coveralls', require: false
+end
\ No newline at end of file