Add request count function to test server

Author: wkh237

test-server/server.js

@@ -40,9 +40,10 @@ app.listen(8123, function(err){
     console.log('test server running at port ',8123)
 })
 
+var count = 0
 
 app.use(function(req,res,next){
-  console.log(chalk.green('request url=') + chalk.magenta(req.url))
+  console.log(chalk.green('request url=') + chalk.magenta(req.url), ++count)
   next()
 })