Fixed tests

tests/Avalonia.Visuals.UnitTests/Rendering/DeferredRendererTests_HitTesting.cs

@@ -405,7 +405,8 @@ namespace Avalonia.Visuals.UnitTests.Rendering
                 root.Renderer = new DeferredRenderer(root, null);
                 root.Measure(Size.Infinity);
                 root.Arrange(new Rect(container.DesiredSize));
-
+                
+                root.Renderer.Paint(Rect.Empty);
                 var result = root.Renderer.HitTest(new Point(50, 150), root, null).First();
 
                 Assert.Equal(item1, result);
@@ -421,6 +422,7 @@ namespace Avalonia.Visuals.UnitTests.Rendering
                 container.InvalidateArrange();
                 container.Arrange(new Rect(container.DesiredSize));
 
+                root.Renderer.Paint(Rect.Empty);
                 result = root.Renderer.HitTest(new Point(50, 150), root, null).First();
                 Assert.Equal(item2, result);