Rakefile in sunzi-0.4.1 vs Rakefile in sunzi-0.4.2

@@ -1,8 +1,16 @@
 require "bundler/gem_tasks"
+require 'rake/testtask'
+
+
+Rake::TestTask.new do |t|
+    t.libs << "test"
+    t.test_files = FileList['test/test*.rb']
+    t.verbose = true
+  end