public void BankAccount_Controller_GetById_ShouldBeOk()
        {
            //Arrange
            var id = 1;

            _mockBankAccount.Setup(ba => ba.Id).Returns(id);
            _mockBankAccountService.Setup(bas => bas.GetById(id)).Returns(_mockBankAccount.Object);

            //Action
            IHttpActionResult callback = _bankAccountController.GetById(id);

            //Assert
            var httpResponse = callback.Should().BeOfType <OkNegotiatedContentResult <BankAccount> >().Subject;

            httpResponse.Content.Should().NotBeNull();
            httpResponse.Content.Id.Should().Be(id);
            _mockBankAccountService.Verify(bas => bas.GetById(id), Times.Once);
            _mockBankAccount.Verify(ba => ba.Id, Times.Once);
        }