Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneLocationCalculationsContextTreeNodeInfoTest.cs
===================================================================
diff -u -r2ebbb31d6c849c49e02f04ac49374594703dc5ec -re57e79927485e44d681b0617f17bada42dbfb862
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneLocationCalculationsContextTreeNodeInfoTest.cs	(.../DuneLocationCalculationsContextTreeNodeInfoTest.cs)	(revision 2ebbb31d6c849c49e02f04ac49374594703dc5ec)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Plugin.Test/TreeNodeInfos/DuneLocationCalculationsContextTreeNodeInfoTest.cs	(.../DuneLocationCalculationsContextTreeNodeInfoTest.cs)	(revision e57e79927485e44d681b0617f17bada42dbfb862)
@@ -256,7 +256,10 @@
 
                 plugin.Gui = gui;
 
-                failureMechanism.DuneLocations.Add(new TestDuneLocation());
+                failureMechanism.SetDuneLocations(new[]
+                {
+                    new TestDuneLocation()
+                });
 
                 // Call
                 using (ContextMenuStrip menu = info.ContextMenuStrip(context, null, treeViewControl))