Move skip button into its own test, because it is no longer two-layered

osu.Desktop.VisualTests/Tests/TestCaseSkipButton.cs

@@ -0,0 +1,21 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Testing;
+using osu.Game.Graphics.UserInterface;
+using osu.Game.Screens.Play;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    internal class TestCaseSkipButton : TestCase
+    {
+        public override string Description => @"Skip skip skippediskip";
+
+        public override void Reset()
+        {
+            base.Reset();
+            
+            Add(new SkipButton(Clock.CurrentTime + 5000));
+        }
+    }
+}

osu.Desktop.VisualTests/Tests/TestCaseTwoLayerButton.cs

@@ -3,20 +3,18 @@
 
 using osu.Framework.Testing;
 using osu.Game.Graphics.UserInterface;
-using osu.Game.Screens.Play;
 
 namespace osu.Desktop.VisualTests.Tests
 {
     internal class TestCaseTwoLayerButton : TestCase
     {
-        public override string Description => @"Back and skip and what not";
+        public override string Description => @"Mostly back button";
 
         public override void Reset()
         {
             base.Reset();
 
             Add(new BackButton());
-            Add(new SkipButton(Clock.CurrentTime + 5000));
         }
     }
 }

osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj

@@ -203,6 +203,7 @@
     <Compile Include="Tests\TestCaseReplay.cs" />
     <Compile Include="Tests\TestCaseResults.cs" />
     <Compile Include="Tests\TestCaseScoreCounter.cs" />
+    <Compile Include="Tests\TestCaseSkipButton.cs" />
     <Compile Include="Tests\TestCaseTabControl.cs" />
     <Compile Include="Tests\TestCaseTaikoHitObjects.cs" />
     <Compile Include="Tests\TestCaseTaikoPlayfield.cs" />