Make client references private readonly.

tests/CleanArchitecture.Tests/Integration/Web/ApiToDoItemsControllerListShould.cs

@@ -12,17 +12,17 @@ namespace CleanArchitecture.Tests.Integration.Web
 
     public class ApiToDoItemsControllerList : IClassFixture<CustomWebApplicationFactory<Startup>>
     {
-        public HttpClient Client { get; }
+        private readonly HttpClient _client;
 
         public ApiToDoItemsControllerList(CustomWebApplicationFactory<Startup> factory)
         {
-            Client = factory.CreateClient();
+            _client = factory.CreateClient();
         }
 
         [Fact]
         public async Task ReturnsTwoItems()
         {
-            var response = await Client.GetAsync("/api/todoitems");
+            var response = await _client.GetAsync("/api/todoitems");
             response.EnsureSuccessStatusCode();
             var stringResponse = await response.Content.ReadAsStringAsync();
             var result = JsonConvert.DeserializeObject<IEnumerable<ToDoItem>>(stringResponse).ToList();

tests/CleanArchitecture.Tests/Integration/Web/HomeControllerIndexShould.cs

@@ -7,17 +7,17 @@ namespace CleanArchitecture.Tests.Integration.Web
 {
     public class HomeControllerIndexShould : IClassFixture<CustomWebApplicationFactory<Startup>>
     {
-        public HttpClient Client { get; }
+        private readonly HttpClient _client;
 
         public HomeControllerIndexShould(CustomWebApplicationFactory<Startup> factory)
         {
-            Client = factory.CreateClient();
+            _client = factory.CreateClient();
         }
 
         [Fact]
         public async Task ReturnViewWithCorrectMessage()
         {
-            HttpResponseMessage response = await Client.GetAsync("/");
+            HttpResponseMessage response = await _client.GetAsync("/");
             response.EnsureSuccessStatusCode();
             string stringResponse = await response.Content.ReadAsStringAsync();