Index: Demo/Ringtoets/test/Demo.Ringtoets.Test/GUIs/DemoProjectPluginTest.cs
===================================================================
diff -u -rce9e1d476f00cfb42ce2a8ab6c762baf5abfd97b -r6a5d7b40b7ba4dcb73e393075338352d194e97c2
--- Demo/Ringtoets/test/Demo.Ringtoets.Test/GUIs/DemoProjectPluginTest.cs	(.../DemoProjectPluginTest.cs)	(revision ce9e1d476f00cfb42ce2a8ab6c762baf5abfd97b)
+++ Demo/Ringtoets/test/Demo.Ringtoets.Test/GUIs/DemoProjectPluginTest.cs	(.../DemoProjectPluginTest.cs)	(revision 6a5d7b40b7ba4dcb73e393075338352d194e97c2)
@@ -21,6 +21,7 @@
 
 using System.Linq;
 using Core.Common.Gui;
+using System.Threading;
 using Core.Common.Gui.Forms;
 using Core.Common.Gui.Plugin;
 using Core.Components.Charting.Data;
@@ -36,7 +37,7 @@
     public class DemoProjectPluginTest
     {
         [Test]
-        [RequiresSTA]
+        [Apartment(ApartmentState.STA)]
         public void DefaultConstructor_DefaultValues()
         {
             // Setup