public async Task GetFunding_CallsCorrectly()
        {
            string id = "1234";

            IFundingFeedItemByIdService fundingService = Substitute.For <IFundingFeedItemByIdService>();

            FundingFeedItemController controller = new FundingFeedItemController(
                fundingService);

            await controller.GetFunding(id);

            await fundingService
            .Received(1)
            .GetFundingByFundingResultId(Arg.Is(id));
        }
        public FundingFeedItemController(IFundingFeedItemByIdService fundingService)
        {
            Guard.ArgumentNotNull(fundingService, nameof(fundingService));

            _fundingService = fundingService;
        }