diff --git a/UnitTests/View/Layout/Dim.AutoTests.cs b/UnitTests/View/Layout/Dim.AutoTests.cs
index b979d1a4c..5f6767310 100644
--- a/UnitTests/View/Layout/Dim.AutoTests.cs
+++ b/UnitTests/View/Layout/Dim.AutoTests.cs
@@ -1,9 +1,10 @@
-using System.Text;
+using System.Text;
 using Xunit.Abstractions;
 using static Terminal.Gui.Dim;
 
 namespace Terminal.Gui.LayoutTests;
 
+[Trait("Category", "Layout")]
 public partial class DimAutoTests (ITestOutputHelper output)
 {
     private readonly ITestOutputHelper _output = output;