Rakefile in private_attr-0.1.1 vs Rakefile in private_attr-1.0.0

@@ -2,8 +2,9 @@
 require 'rake/testtask'
 
 Rake::TestTask.new do |t|
   t.name = 'spec'
   t.pattern = 'spec/**/*_spec.rb'
+  t.warning = true
 end
 
 task default: :spec