public void Init()
        {
            _mockHttpContextAccessor  = MockHelpers.CreateMockHttpContextAccessor();
            _mockAnonymousUserFactory = MockHelpers.CreateMockAnonymousUserFactory();
            _mockSharedUserSession    = MockHelpers.CreateMockSharedUserSession();

            _subject = new CookieAnonymousUserManager(
                _mockHttpContextAccessor.Object,
                _mockAnonymousUserFactory.Object,
                _mockSharedUserSession.Object,
                _anonOptions
                );
        }