Rakefile in fluent-plugin-couch-0.7.0 vs Rakefile in fluent-plugin-couch-0.8.0

@@ -23,10 +23,11 @@
 rescue LoadError
   puts "Jeweler not available. Install it with: gem install jeweler"
 end
 
 Rake::TestTask.new(:test) do |t|
-  t.test_files = Dir['test/*_test.rb']
+  t.libs << "test"
+  t.test_files = Dir["test/**/test_*.rb"].sort
   t.ruby_opts = ['-rubygems'] if defined? Gem
   t.ruby_opts << '-I.'
 end
 
 task :default => [:build]