Rename test cases to test scenes inline with the framework change

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiHeader.cs

@@ -0,0 +1,44 @@
+// 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.Graphics;
+using osu.Framework.Screens;
+using osu.Game.Screens;
+using osu.Game.Screens.Multi;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    [TestFixture]
+    public class TestSceneMultiHeader : OsuTestScene
+    {
+        public TestSceneMultiHeader()
+        {
+            int index = 0;
+
+            OsuScreenStack screenStack = new OsuScreenStack(new TestMultiplayerSubScreen(index)) { RelativeSizeAxes = Axes.Both };
+
+            Children = new Drawable[]
+            {
+                screenStack,
+                new Header(screenStack)
+            };
+
+            AddStep("push multi screen", () => screenStack.CurrentScreen.Push(new TestMultiplayerSubScreen(++index)));
+        }
+
+        private class TestMultiplayerSubScreen : OsuScreen, IMultiplayerSubScreen
+        {
+            private readonly int index;
+
+            public string ShortTitle => $"Screen {index}";
+
+            public TestMultiplayerSubScreen(int index)
+            {
+                this.index = index;
+            }
+
+            public override string ToString() => ShortTitle;
+        }
+    }
+}