Also fix up interface names

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

@@ -0,0 +1,37 @@
+// 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.Game.Database;
+using osu.Game.Online.Multiplayer;
+using osu.Game.Screens.OnlinePlay;
+using osu.Game.Tests.Visual.OnlinePlay;
+using osu.Game.Tests.Visual.Spectator;
+
+namespace osu.Game.Tests.Visual.Multiplayer
+{
+    /// <summary>
+    /// Interface that defines the dependencies required for multiplayer test scenes.
+    /// </summary>
+    public interface IMultiplayerTestSceneDependencies : IOnlinePlayTestSceneDependencies
+    {
+        /// <summary>
+        /// The cached <see cref="MultiplayerClient"/>.
+        /// </summary>
+        TestMultiplayerClient Client { get; }
+
+        /// <summary>
+        /// The cached <see cref="IRoomManager"/>.
+        /// </summary>
+        new TestMultiplayerRoomManager RoomManager { get; }
+
+        /// <summary>
+        /// The cached <see cref="UserLookupCache"/>.
+        /// </summary>
+        TestUserLookupCache LookupCache { get; }
+
+        /// <summary>
+        /// The cached <see cref="osu.Game.Online.Spectator.SpectatorClient"/>.
+        /// </summary>
+        TestSpectatorClient SpectatorClient { get; }
+    }
+}