Remove PlayerTestScene constructor and use CreateRuleset method instead

osu.Game.Rulesets.Catch.Tests/TestSceneCatchPlayer.cs

@@ -1,6 +1,8 @@
 // Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
 // See the LICENCE file in the repository root for full licence text.
 
+using System;
+using System.Collections.Generic;
 using NUnit.Framework;
 using osu.Game.Tests.Visual;
 
@@ -9,9 +11,11 @@ namespace osu.Game.Rulesets.Catch.Tests
     [TestFixture]
     public class TestSceneCatchPlayer : PlayerTestScene
     {
-        public TestSceneCatchPlayer()
-            : base(new CatchRuleset())
+        public override IReadOnlyList<Type> RequiredTypes => new[]
         {
-        }
+            typeof(CatchRuleset),
+        };
+
+        protected override Ruleset CreateRuleset() => new CatchRuleset();
     }
 }