public async Task AddWorkflow()
        {
            var uom   = new Uom();
            var mocks = new CollectionPageControllerMocks <Uom>();

            mocks.CollectionPageViewModel.Setup(v => v.RefreshAsync()).Returns(Task.CompletedTask);
            SetupForAddEditWorkflow(mocks);
            var page = new CollectionPage <Uom>(mocks.CreateViewCell.Object);

            BuildController(mocks, page);

            await page.AddButtonClickedAsync();
        }