Gemfile in mock-twilio-0.2.0 vs Gemfile in mock-twilio-0.3.0

@@ -6,7 +6,8 @@
 gemspec
 
 gem "rake", "~> 13.0"
 
 gem "minitest", "~> 5.0"
+gem 'simplecov', require: false, group: :test
 gem "webmock"
 gem "pry"