Remove RoomTestScene inheritance from simple test scenes

osu.Game/Tests/Visual/TestRoomContainer.cs

@@ -0,0 +1,38 @@
+// 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 osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Online.Rooms;
+
+namespace osu.Game.Tests.Visual
+{
+    /// <summary>
+    /// Contains a <see cref="Room"/> that is resolvable by components in test scenes.
+    /// </summary>
+    public class TestRoomContainer : Container
+    {
+        /// <summary>
+        /// The cached <see cref="Room"/>.
+        /// </summary>
+        public readonly Room Room = new Room();
+
+        [Cached]
+        private readonly Bindable<Room> roomBindable;
+
+        public TestRoomContainer()
+        {
+            RelativeSizeAxes = Axes.Both;
+            roomBindable = new Bindable<Room>(Room);
+        }
+
+        protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
+        {
+            var dependencies = new CachedModelDependencyContainer<Room>(base.CreateChildDependencies(parent));
+            dependencies.Model.Value = Room;
+            return dependencies;
+        }
+    }
+}