Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/ImportInfos/StabilityPointStructuresContextImportInfoTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -re34e373c61eb0d54ea931f7d43e0ed7ab709760b
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/ImportInfos/StabilityPointStructuresContextImportInfoTest.cs	(.../StabilityPointStructuresContextImportInfoTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/ImportInfos/StabilityPointStructuresContextImportInfoTest.cs	(.../StabilityPointStructuresContextImportInfoTest.cs)	(revision e34e373c61eb0d54ea931f7d43e0ed7ab709760b)
@@ -51,10 +51,9 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
+            assessmentSection.Stub(a => a.ReferenceLine).Return(new ReferenceLine());
             mocks.ReplayAll();
-
-            assessmentSection.ReferenceLine = new ReferenceLine();
-
+            
             var failureMechanism = new StabilityPointStructuresFailureMechanism();
 
             var importTarget = new StabilityPointStructuresContext(failureMechanism.StabilityPointStructures,
@@ -145,7 +144,7 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.ReferenceLine = new ReferenceLine();
+            assessmentSection.Stub(a => a.ReferenceLine).Return(new ReferenceLine());
             mocks.ReplayAll();
 
             var failureMechanism = new StabilityPointStructuresFailureMechanism();
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresContextUpdateInfoTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -re34e373c61eb0d54ea931f7d43e0ed7ab709760b
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresContextUpdateInfoTest.cs	(.../StabilityPointStructuresContextUpdateInfoTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresContextUpdateInfoTest.cs	(.../StabilityPointStructuresContextUpdateInfoTest.cs)	(revision e34e373c61eb0d54ea931f7d43e0ed7ab709760b)
@@ -171,10 +171,9 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
+            assessmentSection.Stub(a => a.ReferenceLine).Return(new ReferenceLine());
             mocks.ReplayAll();
 
-            assessmentSection.ReferenceLine = new ReferenceLine();
-
             var failureMechanism = new StabilityPointStructuresFailureMechanism();
             var structures = new StructureCollection<StabilityPointStructure>();
 
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresFailureMechanismSectionsContextUpdateInfoTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -re34e373c61eb0d54ea931f7d43e0ed7ab709760b
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresFailureMechanismSectionsContextUpdateInfoTest.cs	(.../StabilityPointStructuresFailureMechanismSectionsContextUpdateInfoTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Plugin.Test/UpdateInfos/StabilityPointStructuresFailureMechanismSectionsContextUpdateInfoTest.cs	(.../StabilityPointStructuresFailureMechanismSectionsContextUpdateInfoTest.cs)	(revision e34e373c61eb0d54ea931f7d43e0ed7ab709760b)
@@ -162,7 +162,7 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.ReferenceLine = new ReferenceLine();
+            assessmentSection.Stub(a => a.ReferenceLine).Return(new ReferenceLine());
             mocks.ReplayAll();
 
             var failureMechanism = new StabilityPointStructuresFailureMechanism();