Use Firefox instead of PhantomJS

karma.conf.js

@@ -60,7 +60,7 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ["PhantomJS"],
+    browsers: ["Firefox"],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits

package.json

@@ -11,15 +11,12 @@
     "karma": "^3.1.4",
     "karma-coverage": "^1.1.2",
     "karma-jasmine": "^1.1.0",
-    "karma-phantomjs-launcher": "^1.0.4",
-    "phantomjs-prebuilt": "^2.1.16"
+    "karma-firefox-launcher": "^1.2.0",
+    "karma-log-reporter": "0.0.4"
   },
   "scripts": {
     "test": "karma start --single-run"
   },
   "author": "OpenLP Developers",
-  "license": "GPL-3.0-or-later",
-  "devDependencies": {
-    "karma-log-reporter": "0.0.4"
-  }
+  "license": "GPL-3.0-or-later"
 }