Index: Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs
===================================================================
diff -u -r3fb0df0ed6e64657154700ee7706e035d5bf99f5 -rc1594afa56f02899bd122fc4fd4ccf4d76b236b7
--- Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision 3fb0df0ed6e64657154700ee7706e035d5bf99f5)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision c1594afa56f02899bd122fc4fd4ccf4d76b236b7)
@@ -574,8 +574,11 @@
             List<HydraulicBoundaryLocation> hydraulicBoundaryLocations = assessmentSection.HydraulicBoundaryDatabase.Locations;
 
             var heightStructure = new TestHeightStructure();
-            failureMechanism.HeightStructures.Add(heightStructure);
-            failureMechanism.HeightStructures.Add(new TestHeightStructure());
+            failureMechanism.HeightStructuresCollection.AddRange(new[]
+            {
+                heightStructure,
+                new TestHeightStructure("Structure B", "IdB")
+            }, @"C:\Folder");
 
             ForeshoreProfile foreshoreProfile = failureMechanism.ForeshoreProfiles[0];
             failureMechanism.CalculationsGroup.Children.Add(new CalculationGroup