Consolidate and move ruleset test projects

osu.Game.Rulesets.Osu.Tests/TestCaseGameplayCursor.cs

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+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Cursor;
+using osu.Game.Graphics.Cursor;
+using osu.Game.Rulesets.Osu.UI.Cursor;
+using osu.Game.Tests.Visual;
+
+namespace osu.Game.Rulesets.Osu.Tests
+{
+    [TestFixture]
+    public class TestCaseGameplayCursor : OsuTestCase, IProvideCursor
+    {
+        private GameplayCursor cursor;
+
+        public override IReadOnlyList<Type> RequiredTypes => new [] { typeof(CursorTrail) };
+
+        public CursorContainer Cursor => cursor;
+
+        public bool ProvidingUserCursor => true;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Add(cursor = new GameplayCursor { RelativeSizeAxes = Axes.Both });
+        }
+    }
+}