Switch to Chromium Headless with Karma for testing

karma.conf.js

@@ -1,6 +1,9 @@
 // Karma configuration
 // Generated on Tue Jul 22 2014 23:49:26 GMT+0200 (Romance Daylight Time)
 
+const puppeteer = require('puppeteer');
+process.env.CHROME_BIN = puppeteer.executablePath();
+
 module.exports = function(config) {
 
   var mapToSrcFolder = function (path) {return ['src', path].join('/');};
@@ -64,8 +67,12 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ['PhantomJS'],
+    browsers: ['ChromeHeadless'],
 
+    plugins: [
+      'karma-chrome-launcher',
+      'karma-jasmine',
+    ],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits

package.json

@@ -55,13 +55,15 @@
     "grunt-spritesmith": "^6.9.0",
     "jasmine-core": "3.8.0",
     "karma": "6.3.4",
+    "karma-chrome-launcher": "^3.1.0",
     "karma-jasmine": "4.0.1",
     "karma-phantomjs-launcher": "1.0.4",
     "load-grunt-tasks": "5.1.0",
     "nw": "0.54.0",
-    "phantomjs-prebuilt": "2.1.16",
     "phantomjs-polyfill-object-assign": "0.0.2",
+    "phantomjs-prebuilt": "2.1.16",
     "promise-polyfill": "8.2.0",
+    "puppeteer": "^13.3.1",
     "rmdir": "1.2.0"
   },
   "window": {