Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs
===================================================================
diff -u -r244093ebb23275088eefaf5e27c8eb7639561040 -r221beefb651cb287dbe3e0ee7fc3c8d3a7c81f40
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs	(.../HeightStructuresFailureMechanismViewTest.cs)	(revision 244093ebb23275088eefaf5e27c8eb7639561040)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/Views/HeightStructuresFailureMechanismViewTest.cs	(.../HeightStructuresFailureMechanismViewTest.cs)	(revision 221beefb651cb287dbe3e0ee7fc3c8d3a7c81f40)
@@ -370,17 +370,17 @@
                 observers[referenceLineIndex].Expect(obs => obs.UpdateObserver());
                 mocks.ReplayAll();
 
-                MapData referenceLineMapData = map.Data.Collection.ElementAt(referenceLineIndex);
+                var referenceLineMapData = (MapLineData) map.Data.Collection.ElementAt(referenceLineIndex);
 
                 // Precondition
-                MapDataTestHelper.AssertReferenceLineMetaData(assessmentSection.ReferenceLine, assessmentSection, referenceLineMapData);
+                MapFeaturesTestHelper.AssertReferenceLineMetaData(assessmentSection.ReferenceLine, assessmentSection, referenceLineMapData.Features);
 
                 // When
                 assessmentSection.Name = "New name";
                 assessmentSection.NotifyObservers();
 
                 // Then
-                MapDataTestHelper.AssertReferenceLineMetaData(assessmentSection.ReferenceLine, assessmentSection, referenceLineMapData);
+                MapFeaturesTestHelper.AssertReferenceLineMetaData(assessmentSection.ReferenceLine, assessmentSection, referenceLineMapData.Features);
                 mocks.VerifyAll();
             }
         }