test: use random ports where possible

This helps to prevent issues where a failed test can keep a bound
socket open long enough to cause other tests to fail with EADDRINUSE
because the same port number is used.

PR-URL: https://github.com/nodejs/node/pull/7045
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/test/parallel/test-net-large-string.js b/test/parallel/test-net-large-string.js
index 26227c8e75..8feb35c067 100644
--- a/test/parallel/test-net-large-string.js
+++ b/test/parallel/test-net-large-string.js
@@ -1,5 +1,5 @@
 'use strict';
-var common = require('../common');
+require('../common');
 var assert = require('assert');
 var net = require('net');
 
@@ -18,8 +18,8 @@ var server = net.createServer(function(socket) {
   });
 });
 
-server.listen(common.PORT, function() {
-  var client = net.createConnection(common.PORT);
+server.listen(0, function() {
+  var client = net.createConnection(this.address().port);
   client.on('end', function() {
     server.close();
   });