test: remove util properties from common

common does not need util properties anymore. Remove them.

PR-URL: #3304
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Brendan Ashworth <brendan.ashworth@me.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

test/common.js

@@ -5,6 +5,8 @@ var fs = require('fs');
 var assert = require('assert');
 var os = require('os');
 var child_process = require('child_process');
+var util = require('util');
+
 
 exports.testDir = path.dirname(__filename);
 exports.fixturesDir = path.join(exports.testDir, 'fixtures');
@@ -171,10 +173,6 @@ exports.hasIPv6 = Object.keys(ifaces).some(function(name) {
   });
 });
 
-var util = require('util');
-for (var i in util) exports[i] = util[i];
-//for (var i in exports) global[i] = exports[i];
-
 function protoCtrChain(o) {
   var result = [];
   for (; o; o = o.__proto__) { result.push(o.constructor); }