Update README.md for test

PeachScript · PeachScript · commit 85b6b6ce80ba · 2016-05-11T16:02:09.000+08:00
diff --git a/README.md b/README.md
@@ -61,6 +61,9 @@ npm install
 
 # run dev-server
 npm run dev
+
+# test
+npm test
 ```
 
 ## Licence
