Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -re46bec50706f5ea1a7754bbaebfc892745d8604a -r20e9bfea15dfe132ee137283a9f24bc4c413ce4a
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs)	(revision e46bec50706f5ea1a7754bbaebfc892745d8604a)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Plugin.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs)	(revision 20e9bfea15dfe132ee137283a9f24bc4c413ce4a)
@@ -284,7 +284,7 @@
             // Setup
             var group = new CalculationGroup();
             var failureMechanism = new HeightStructuresFailureMechanism();
-            failureMechanism.HeightStructuresCollection.AddRange(new[]
+            failureMechanism.HeightStructures.AddRange(new[]
             {
                 new TestHeightStructure()
             }, "some path");
@@ -1058,7 +1058,7 @@
                         }
                     }
                 };
-                failureMechanism.HeightStructuresCollection.AddRange(new[]
+                failureMechanism.HeightStructures.AddRange(new[]
                 {
                     structure1,
                     new TestHeightStructure()
@@ -1114,7 +1114,7 @@
                 var assessmentSection = mocks.Stub<IAssessmentSection>();
                 var failureMechanism = new HeightStructuresFailureMechanism();
 
-                failureMechanism.HeightStructuresCollection.AddRange(
+                failureMechanism.HeightStructures.AddRange(
                     new[]
                     {
                         new TestHeightStructure("Structure 1", "1"),
@@ -1182,7 +1182,7 @@
                         }
                     }
                 };
-                failureMechanism.HeightStructuresCollection.AddRange(new[]
+                failureMechanism.HeightStructures.AddRange(new[]
                 {
                     heightStructure,
                     new TestHeightStructure()