text: import firebase from 'firebase';
  import { linkStoreWithPath, linkFirebaseMock, unlinkFirebaseMock } from 'firebase-redux';
  import { startFirebase, stopFirebase } from '../firebase';
  
  jest.mock('firebase');
  jest.mock('firebase-redux');
  
  describe('Firebase Util tests', () => {
    it('Expect firebase to be initialized and linked to redux.', () => {
      startFirebase({});
      expect(firebase.initializeApp.mock.calls.length).toBe(1);
      expect(linkStoreWithPath.mock.calls.length).toBe(1);
      expect(linkFirebaseMock.mock.calls.length).toBe(1);
    });
    it('Expect firebase to be unlinked from redux.', () => {
      stopFirebase();
      expect(unlinkFirebaseMock.mock.calls.length).toBe(1);
    });
  });
  