', function () {             before(function () {               this.state = defaultAppState.setIn(['extensions', 'abcd'], abcdBrowserAction)               this.state = extensionState.browserActionUpdated(this.state, Immutable.fromJS({                 extensionId: 'abcd',                 tabId: '0',                 browserAction: {                   title: 'tabTitle0'                 }               }))             })              it('should 