.js

describe('when try to log out user', () => {
  describe('and when is user logged in', () => {
    beforeEach(async () => {
      // ...
      isUserLoggedIn = jest.fn().mockImplementation(() => new Promise((resolve) => resolve(true)));
      logOutAction = jest.fn();
      // ...
    });

    it('should log user out', () => {
      expect(logOutAction).toHaveBeenCalledTimes(1);
    });
  });
});