Gemfile in fluent-plugin-http-cwm-0.1.0 vs Gemfile in fluent-plugin-http-cwm-0.2.0

@@ -1,3 +1,7 @@
+# frozen-string-literal: true
+
 source 'https://rubygems.org'
 
 gemspec
+
+gem 'simplecov', require: false, group: :test