Rakefile in sprockets-commonjs-0.0.5.pre vs Rakefile in sprockets-commonjs-0.0.5

@@ -1,9 +1,10 @@
 require 'bundler/gem_tasks'
 require 'sprockets'
 require 'sprockets/commonjs'
 require 'rake/testtask'
+require 'appraisal'
 
 task :example do
   env = Sprockets::Environment.new(File.expand_path('..', __FILE__))
   env.append_path 'examples/'
 
@@ -13,8 +14,9 @@
 
 
 task :default => :test
 
 Rake::TestTask.new do |t|
-  t.libs << "test"
+  t.test_files = FileList['test/**/*_test.rb']
+  t.libs << 'lib' << 'test'
   t.warning = true
 end