Test solution

.gitignore

@@ -23,3 +23,5 @@ build/Release
 # Deployed apps should consider commenting this line out:
 # see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
 node_modules
+
+package-lock.json

.travis.yml

@@ -2,6 +2,8 @@ language: node_js
 node_js:
   - "node"
   - "iojs"
+addons:
+  chrome: stable
 before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start

karma.conf.js

@@ -2,7 +2,7 @@
 // Generated on Wed Jun 18 2014 09:33:44 GMT+0100 (BST)
 
 module.exports = function(config) {
-  var browsers = ['PhantomJS', 'Firefox'];
+  var browsers = ['Firefox',  'ChromeHeadless'];
 
   if (!process.TRAVIS) {
     browsers.push('Chrome');

package.json

@@ -26,12 +26,11 @@
   },
   "homepage": "https://github.com/ahmednuaman/javascript-tests",
   "dependencies": {
-    "karma": "^0.12.32",
-    "karma-jasmine": "^0.3.5",
-    "karma-phantomjs-launcher": "^0.1.4"
+    "karma": "^5.1.0",
+    "karma-jasmine": "^3.3.1"
   },
   "devDependencies": {
-    "karma-chrome-launcher": "^0.1.12",
-    "karma-firefox-launcher": "^0.1.6"
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-firefox-launcher": "^1.3.0"
   }
 }

test/clone-object.js

@@ -3,6 +3,8 @@ describe('clone object', function () {
     var expected = {name: 'Ahmed', age: 27, skills: ['cycling', 'walking', 'eating']},
         obj = {};
 
+    obj = {...expected, skills: [...expected.skills]}
+
     expect(obj).toEqual(expected);
     expect(obj).not.toBe(expected);
   });

test/flatten-array.js

@@ -3,6 +3,12 @@ describe('flatten array', function () {
     var arr = [1, 2, [1, 2, [3, 4, 5, [1]]], 2, [2]],
         expected = [1, 1, 1, 2, 2, 2, 2, 3, 4, 5];
 
+    function flatten (arr) {
+      return arr.reduce((acc, curr) => Array.isArray(curr) ? acc.concat(flatten(curr)): acc.concat(curr), [])
+    }
+
+    arr = flatten(arr).sort()
+
     expect(arr).toEqual(expected);
   });
 });

test/scoping.js

@@ -16,7 +16,7 @@ describe('scoping', function () {
     };
 
     Module.prototype.req = function() {
-      return request(this.method);
+      return request(() => this.method());
     };
 
     expect(mod.req()).toBe('bar');