use lodash-node rather than vanilla lodash so that lodash doesn't attach to require js even when it's available.

test/utils/jenkins-reporter.js

@@ -7,7 +7,7 @@
 module.exports = JenkinsReporter;
 
 var Base = require('mocha/lib/reporters/base');
-var _ = require('lodash');
+var _ = require('lodash-node');
 var chalk = require('chalk');
 var makeJUnitXml = require('./make_j_unit_xml');
 var fs = require('fs');

test/utils/make_j_unit_xml.js

@@ -28,7 +28,7 @@ var testXml = require('xmlbuilder');
 var suites = testXml.create('testsuites');
 var suiteCount = 0;
 var moment = require('moment');
-var _ = require('lodash');
+var _ = require('lodash-node');
 var chalk = require('chalk');
 
 function makeJUnitXml(runnerName, testDetails) {

test/utils/server.js

@@ -1,7 +1,7 @@
 var express = require('express');
 var http = require('http');
 var fs = require('fs');
-var _ = require('lodash');
+var _ = require('lodash-node');
 var async = require('async');
 var root = require('path').join(__dirname, '../..');
 var browserify = require('browserify');