message: increasing inactivity timeout
diff: @@ -78,7 +78,7 @@ module.exports = function(config) {
  colors: true,
  // set the inactivity level to longer
  - browserNoActivityTimeout : 20000,
  + browserNoActivityTimeout : 40000,
  // level of logging
  @@ -92,7 +92,7 @@ module.exports = function(config) {
  // start these browsers
  // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
  - browsers: ['HeadlessChrome'],
  + browsers: ['HeadlessChrome', 'HeadlessFirefox'],
  // browsers: ['HeadlessFirefox'],
  