Rakefile in optimize-js-1.0 vs Rakefile in optimize-js-1.0.1

@@ -6,9 +6,11 @@
 require 'json'
 require 'rake/testtask'
 
 Rake::TestTask.new { |t| t.libs << 'test' }
 
+task default: :test
+
 task :optimize_js do
   def cmd(description, command)
     puts description
     puts "  => #{command}"
     ret = `#{command}`