follow how o!f did.

osu.Framework.Microphone.Tests.iOS/AppDelegate.cs

@@ -2,26 +2,13 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using Foundation;
-using osu.Framework.Input.Handlers.Microphone;
 using osu.Framework.iOS;
-using osu.Framework.iOS.Input;
 
 namespace osu.Framework.Tests
 {
     [Register("AppDelegate")]
     public class AppDelegate : GameAppDelegate
     {
-        protected override Game CreateGame() => new TestingVisualTestGame();
-
-        internal class TestingVisualTestGame : VisualTestGame
-        {
-            protected override void LoadComplete()
-            {
-                base.LoadComplete();
-
-                // Need to cache IOSMicrophoneHandler in here to let MicrophoneInputManager knows.
-                Host.Dependencies.CacheAs(typeof(MicrophoneHandler), new IOSMicrophoneHandler());
-            }
-        }
+        protected override Game CreateGame() => new VisualTestGame();
     }
 }

osu.Framework.Microphone.Tests.iOS/Application.cs

@@ -1,19 +1,15 @@
 // Copyright (c) karaoke.dev <[email protected]>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
-using osu.Framework.iOS;
 using UIKit;
 
 namespace osu.Framework.Tests
 {
     public static class Application
     {
-        // This is the main entry point of the application.
         public static void Main(string[] args)
         {
-            // if you want to use a different Application Delegate class from "AppDelegate"
-            // you can specify it here.
-            UIApplication.Main(args, typeof(GameUIApplication), typeof(AppDelegate));
+            UIApplication.Main(args, null, typeof(AppDelegate));
         }
     }
 }