fix(core): Fixes issues with tests and Node v6 (#1458)

Fixes issues with Mocha tests and Node v6.

Related to #1455

modules/articles/tests/server/article.server.model.tests.js

@@ -43,18 +43,18 @@ describe('Article Model Unit Tests:', function () {
   describe('Method Save', function () {
     it('should be able to save without problems', function (done) {
       this.timeout(10000);
-      return article.save(function (err) {
+      article.save(function (err) {
         should.not.exist(err);
-        done();
+        return done();
       });
     });
 
     it('should be able to show an error when try to save without title', function (done) {
       article.title = '';
 
-      return article.save(function (err) {
+      article.save(function (err) {
         should.exist(err);
-        done();
+        return done();
       });
     });
   });

modules/users/tests/server/user.server.routes.tests.js

@@ -1,6 +1,7 @@
 'use strict';
 
-var should = require('should'),
+var semver = require('semver'),
+  should = require('should'),
   request = require('supertest'),
   path = require('path'),
   mongoose = require('mongoose'),
@@ -104,7 +105,7 @@ describe('User CRUD tests', function () {
 
             // NodeJS v4 changed the status code representation so we must check
             // before asserting, to be comptabile with all node versions.
-            if (process.version.indexOf('v4') === 0 || process.version.indexOf('v5') === 0) {
+            if (semver.satisfies(process.versions.node, '>=4.0.0')) {
               signoutRes.text.should.equal('Found. Redirecting to /');
             } else {
               signoutRes.text.should.equal('Moved Temporarily. Redirecting to /');

package.json

@@ -56,7 +56,7 @@
     "lodash": "~4.6.1",
     "lusca": "~1.3.0",
     "method-override": "~2.3.5",
-    "mocha": "~2.5.0",
+    "mocha": "~3.0.2",
     "mongoose": "~4.4.8",
     "morgan": "~1.7.0",
     "multer": "~1.1.0",
@@ -111,7 +111,7 @@
     "gulp-less": "~3.0.5",
     "gulp-livereload": "~3.8.1",
     "gulp-load-plugins": "~1.2.0",
-    "gulp-mocha": "~2.2.0",
+    "gulp-mocha": "~3.0.1",
     "gulp-ng-annotate": "~1.1.0",
     "gulp-nodemon": "~2.0.6",
     "gulp-protractor": "~2.1.0",
@@ -129,9 +129,10 @@
     "karma-ng-html2js-preprocessor": "~0.2.1",
     "karma-phantomjs-launcher": "~1.0.0",
     "load-grunt-tasks": "~3.4.1",
-    "mock-fs": "~3.7.0",
+    "mock-fs": "~3.11.0",
     "node-inspector": "~0.12.7",
     "run-sequence": "~1.1.5",
+    "semver": "~5.3.0",
     "should": "~8.2.2",
     "supertest": "~1.2.0"
   }