Gemfile in lightio-0.1.1 vs Gemfile in lightio-0.2.0

@@ -2,5 +2,10 @@
 
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in lightio.gemspec
 gemspec
+
+group :test do
+  gem 'coveralls', require: false
+end
+