Add empty Match screen.

osu.Game.Tests/Visual/TestCaseMatch.cs

@@ -0,0 +1,23 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Online.Multiplayer;
+using osu.Game.Screens.Multi.Screens.Match;
+
+namespace osu.Game.Tests.Visual
+{
+    public class TestCaseMatch : OsuTestCase
+    {
+        public TestCaseMatch()
+        {
+            Room room = new Room
+            {
+            };
+
+            Match match = new Match(room);
+
+            AddStep(@"show", () => Add(match));
+            AddStep(@"exit", match.Exit);
+        }
+    }
+}