Initial layout for timing screen

osu.Game.Tests/Visual/Editor/TestSceneTimingScreen.cs

@@ -0,0 +1,21 @@
+// 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 NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Game.Rulesets.Osu;
+using osu.Game.Screens.Edit.Timing;
+
+namespace osu.Game.Tests.Visual.Editor
+{
+    [TestFixture]
+    public class TestSceneTimingScreen : EditorClockTestScene
+    {
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Beatmap.Value = CreateWorkingBeatmap(new OsuRuleset().RulesetInfo);
+            Child = new TimingScreen();
+        }
+    }
+}