Merge branch 't/karma-add-chronium' of UoM-Podcast/opencast into develop

Pull request opencast#5740

  Allow karma to use Chromium browser

Author: gregorydlogan

Diff for: docs/guides/developer/docs/develop/setup-opencast-for-develop.md

@@ -49,7 +49,7 @@ Required:
     ffmpeg >= 3.2.4
     maven >= 3.6
     python
-    firefox/chrome
+    firefox/chrome/chromium
     unzip
     gcc-c++
     tar

Diff for: modules/admin-ui-frontend/test/karma.conf.js

@@ -73,7 +73,7 @@ module.exports = function (config) {
             preferHeadless: true,
             // limit the list of browsers used by karma
             postDetection: (browsers) => {
-                const allowed = ['Chrome'];
+                const allowed = ['Chrome', 'Chromium'];
                 // Karma can't start FirefoxHeadless on Macs
                 // See https://github.com/opencast/opencast/issues/3894
                 if (os.platform() !== 'darwin') {