add codecov gem

stephengroat · web-flow · commit 7ada0b75bc11 · 2017-07-05T18:57:46.000-07:00
diff --git a/Gemfile b/Gemfile
@@ -3,4 +3,5 @@ gemspec
 
 group :test do
   gem 'rake', '< 11'
+  gem 'codecov'
 end
