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-http-flush-headers.js b/test/parallel/test-http-flush-headers.js
index 5e91a4643a..c2b382188a 100644
--- a/test/parallel/test-http-flush-headers.js
+++ b/test/parallel/test-http-flush-headers.js
@@ -1,5 +1,5 @@
 'use strict';
-const common = require('../common');
+require('../common');
 const assert = require('assert');
 const http = require('http');
 
@@ -9,11 +9,11 @@ server.on('request', function(req, res) {
   res.end('ok');
   server.close();
 });
-server.listen(common.PORT, '127.0.0.1', function() {
+server.listen(0, '127.0.0.1', function() {
   const req = http.request({
     method: 'GET',
     host: '127.0.0.1',
-    port: common.PORT,
+    port: this.address().port,
   });
   req.setHeader('foo', 'bar');
   req.flushHeaders();