dotnet-core/release-notes/3.0/api-diff/Asp.Net/3.0.0_Microsoft.AspNetCore.Mvc.Testing.md

Microsoft.AspNetCore.Mvc.Testing

 {
     namespace Microsoft.AspNetCore.Mvc.Testing {
         public class WebApplicationFactory<TEntryPoint> : IDisposable where TEntryPoint : class {
+            public virtual IServiceProvider Services { get; }
+            protected virtual IHost CreateHost(IHostBuilder builder);
+            protected virtual IHostBuilder CreateHostBuilder();
         }
     }
 }