Rakefile in fluent-plugin-sakuraio-0.1.3 vs Rakefile in fluent-plugin-sakuraio-0.2.0

- old
+ new

@@ -5,8 +5,9 @@
 
 Rake::TestTask.new(:test) do |test|
   test.libs << 'lib' << 'test'
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true
+  test.ruby_opts += ['-W1']
 end
 
 task default: :test