Refactor issue-266.js testfile (#769)

IoT.js-DCO-1.0-Signed-off-by: Roland Takacs rtakacs.u-szeged@partner.samsung.com

Author: rtakacs

test/run_pass/issue/issue-266.js

@@ -21,11 +21,11 @@ var assert = require('assert');
 var server = net.createServer();
 var port = 30266;
 
-var server = net.createServer();
 server.listen(port);
 
 server.on('connection', function(socket) {
   socket.on('data', function(data) {
+    server.close()
   });
   socket.on('finish', function() {
     socket.destroy();
@@ -34,12 +34,6 @@ server.on('connection', function(socket) {
   });
 });
 
-
-setTimeout(function() {
-    server.close();
-}, 1000);
-
-
 var socket = new net.Socket();
 socket.connect(port, "127.0.0.1");
 socket.end('test');