Gemfile in tidy_json-0.4.0 vs Gemfile in tidy_json-0.5.0

@@ -5,5 +5,12 @@
 gemspec
 
 group :test do
   gem 'rake'
 end
+
+group :development do
+  install_if -> { ENV['COVERAGE'] } do
+    gem 'simplecov'
+    gem 'simplecov-cobertura'
+  end
+end