Add validation to RealmCreate

IdentityShroud.Api.Tests/Fixtures/ApplicationFactory.cs

@@ -0,0 +1,24 @@
+using IdentityShroud.Core.Services;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.VisualStudio.TestPlatform.TestHost;
+
+namespace IdentityShroud.Core.Tests.Fixtures;
+
+public class ApplicationFactory : WebApplicationFactory<Program>
+{
+    public IRealmService RealmService { get; } = Substitute.For<IRealmService>();
+    
+    protected override void ConfigureWebHost(IWebHostBuilder builder)
+    {
+        base.ConfigureWebHost(builder);
+        
+        builder.ConfigureServices(services =>
+        {
+            services.AddScoped<IRealmService>(c => RealmService);
+        });
+        
+        builder.UseEnvironment("Development");
+    }
+}