Rakefile in pow-index-0.0.3 vs Rakefile in pow-index-0.0.4

@@ -1,9 +1,9 @@
 require "bundler/gem_tasks"
 require 'rake/testtask'
 Rake::TestTask.new(:test) do |test|
   test.libs << 'lib' << 'test'
-  test.test_files = FileList['test/test*.rb']
+  test.pattern = 'test/**/test_*.rb'
   test.verbose = true
 end
 
 task :default => :test