Once we have implemented the InMemoryApplicationFactory class, it is possible to utilize it by implementing the IClassFixture interface in our test classes. Therefore, let's start by initializing a new ItemControllerTests class in the Catalog.API.Tests project:
using System.Net.Http;using System.Text;using System.Threading.Tasks;using Newtonsoft.Json;using Shouldly;using Catalog.Domain.Infrastructure.Entities;using Catalog.Fixtures;using Xunit;namespace Catalog.API.Tests.Controllers{ public class ItemControllerTests : IClassFixture<InMemoryApplicationFactory<Startup>> { private readonly InMemoryApplicationFactory<Startup> _factory; public ItemControllerTests(InMemoryApplicationFactory<Startup> factory) { _factory