report test coverage

suo.gemspec

@@ -30,4 +30,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rubocop", "~> 0.30.0"
   spec.add_development_dependency "minitest", "~> 5.5.0"
+  spec.add_development_dependency "codeclimate-test-reporter", "~> 0.4.7"
 end

test/test_helper.rb

@@ -1,5 +1,9 @@
 $LOAD_PATH.unshift File.expand_path("../../lib", __FILE__)
 
+require "codeclimate-test-reporter"
+
+CodeClimate::TestReporter.start
+
 require "suo"
 require "thread"
 require "minitest/autorun"