public void When_get_all_phone_numbers_then_return_ok()
        {
            var result = _phoneController.GetAllPhoneNumbers();

            Assert.IsInstanceOf <OkObjectResult>(result);

            var okResult = result as OkObjectResult;

            Assert.AreEqual(200, okResult.StatusCode);

            _phoneInfoRepository.GetAllPhoneNumbers().Received();
        }