net6conversion (#642)

* Converting to net6 startup and integration test formats

* Update to minimal api and using pagetitle

* Adjust functional test fixtures
Update ApiEndpoints package version

* Finish migration to minimal api startup

tests/FunctionalTests/PublicApi/AuthEndpoints/AuthenticateEndpoint.cs

@@ -10,11 +10,11 @@ using Xunit;
 namespace Microsoft.eShopWeb.FunctionalTests.Web.Controllers;
 
 [Collection("Sequential")]
-public class AuthenticateEndpoint : IClassFixture<ApiTestFixture>
+public class AuthenticateEndpoint : IClassFixture<TestApiApplication>
 {
     JsonSerializerOptions _jsonOptions = new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
 
-    public AuthenticateEndpoint(ApiTestFixture factory)
+    public AuthenticateEndpoint(TestApiApplication factory)
     {
         Client = factory.CreateClient();
     }