test: use const for all require() calls

PR-URL: https://github.com/nodejs/node/pull/10550
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/test/parallel/test-listen-fd-server.js b/test/parallel/test-listen-fd-server.js
index eda75e5c72..87a624f713 100644
--- a/test/parallel/test-listen-fd-server.js
+++ b/test/parallel/test-listen-fd-server.js
@@ -1,8 +1,8 @@
 'use strict';
-var common = require('../common');
-var assert = require('assert');
-var http = require('http');
-var net = require('net');
+const common = require('../common');
+const assert = require('assert');
+const http = require('http');
+const net = require('net');
 
 if (common.isWindows) {
   common.skip('This test is disabled on windows.');
@@ -74,7 +74,7 @@ function test(cb) {
     const port = this.address().port;
     console.error('server listening on %d', port);
 
-    var spawn = require('child_process').spawn;
+    const spawn = require('child_process').spawn;
     var child = spawn(process.execPath, [__filename, 'child'], {
       stdio: [ 0, 1, 2, server._handle, 'ipc' ]
     });