Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -rfada97a57c5c19983ffe23b02944dc48d02c509c
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs	(.../RingtoetsDataSynchronizationServiceTest.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/RingtoetsDataSynchronizationServiceTest.cs	(.../RingtoetsDataSynchronizationServiceTest.cs)	(revision fada97a57c5c19983ffe23b02944dc48d02c509c)
@@ -541,7 +541,7 @@
             CollectionAssert.IsEmpty(heightStructuresFailureMechanism.SectionResults);
             CollectionAssert.IsEmpty(heightStructuresFailureMechanism.CalculationsGroup.Children);
             CollectionAssert.IsEmpty(heightStructuresFailureMechanism.ForeshoreProfiles);
-            CollectionAssert.IsEmpty(heightStructuresFailureMechanism.HeightStructures);
+            CollectionAssert.IsEmpty(heightStructuresFailureMechanism.HeightStructuresCollection);
 
             StabilityPointStructuresFailureMechanism stabilityPointStructuresFailureMechanism = assessmentSection.StabilityPointStructures;
             CollectionAssert.IsEmpty(stabilityPointStructuresFailureMechanism.Sections);
@@ -644,7 +644,7 @@
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism);
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.CalculationsGroup);
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.ForeshoreProfiles);
-            CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.HeightStructures);
+            CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.HeightStructuresCollection);
 
             StabilityPointStructuresFailureMechanism stabilityPointStructuresFailureMechanism = assessmentSection.StabilityPointStructures;
             CollectionAssert.Contains(changedObjects, stabilityPointStructuresFailureMechanism);
@@ -741,7 +741,7 @@
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism);
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.CalculationsGroup);
             CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.ForeshoreProfiles);
-            CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.HeightStructures);
+            CollectionAssert.Contains(changedObjects, heightStructuresFailureMechanism.HeightStructuresCollection);
 
             StabilityPointStructuresFailureMechanism stabilityPointStructuresFailureMechanism = assessmentSection.StabilityPointStructures;
             CollectionAssert.Contains(changedObjects, stabilityPointStructuresFailureMechanism);
@@ -1442,7 +1442,7 @@
             {
                 yield return profile;
             }
-            foreach (HeightStructure structure in failureMechanism.HeightStructures)
+            foreach (HeightStructure structure in failureMechanism.HeightStructuresCollection)
             {
                 yield return structure;
             }