public async Task CreateStockItem_Returns_CreatedAtRouteResult()
{
//Arrange
_fixture.MockStockItemRepository.Setup(x => x.CreateStockItemAsync(It.IsAny <CreateStockItemDto>()))
.ReturnsAsync(_fixture.CreateStockItemDtoResult);
var controller = new StockItemController(_fixture.MockStockItemRepository.Object);
//Act
var result = await controller.CreateStockItem(_fixture.ValidCreateStockItemDto, _fixture.ApiVersion);
//Assert
var objectResult = result.Should().BeOfType <CreatedAtRouteResult>().Subject;
objectResult.StatusCode.Should().Be(201);
objectResult.RouteValues !["id"].Should().Be(4);
