Index: Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/ProbabilisticFaultTreePipingOutputViewTest.cs
===================================================================
diff -u -r408d5bb8e059eecee9b322b41479fe6fda9382f6 -r0713398dd811db873d18f57230ed8945e8dda1b4
--- Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/ProbabilisticFaultTreePipingOutputViewTest.cs	(.../ProbabilisticFaultTreePipingOutputViewTest.cs)	(revision 408d5bb8e059eecee9b322b41479fe6fda9382f6)
+++ Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/ProbabilisticFaultTreePipingOutputViewTest.cs	(.../ProbabilisticFaultTreePipingOutputViewTest.cs)	(revision 0713398dd811db873d18f57230ed8945e8dda1b4)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.Threading;
 using NUnit.Framework;
 using Riskeer.Common.Data.TestUtil.IllustrationPoints;
 using Riskeer.Common.Forms.Views;
@@ -28,6 +29,7 @@
 namespace Riskeer.Piping.Forms.Test.Views
 {
     [TestFixture]
+    [Apartment(ApartmentState.STA)]
     public class ProbabilisticFaultTreePipingOutputViewTest
     {
         [Test]