Karma outputs unspecified verbose info about karma-firefox-launcher HOT 2 CLOSED

Browser {
  id: '85478091',
  fullName: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 ' +
    '(KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 ' +
    'Edge/18.17763',
  name: 'Edge 18.17763.0 (Windows 10.0.0)',
  lastResult: [BrowserResult],
  disconnectsCount: 0,
  activeSockets: [Array],
  noActivityTimeout: 50000,
  collection: [BrowserCollection],
  emitter: [Server],
  socket: [Socket],
  timer: [Object],
  disconnectDelay: 2000,
  log: [Logger],
  noActivityTimeoutId: Timeout {
    _idleTimeout: 50000,
    _idlePrev: [TimersList],
    _idleNext: [TimersList],
    _idleStart: 300123,
    _onTimeout: [Function],
    _timerArgs: undefined,
    _repeat: null,
    _destroyed: false,
    [Symbol(refed)]: true,
    [Symbol(asyncId)]: 30847,
    [Symbol(triggerId)]: 30845
  },
  pendingDisconnect: null,
  state: 'EXECUTING'
}