Index: Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Plugin.Test/TreeNodeInfos/StabilityStoneCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -r2a5b882dc9e52231eea22d40d686b075aa72a1aa -rafc4b885597e413e57ab91f92d6bd79a0bc906a0
--- Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Plugin.Test/TreeNodeInfos/StabilityStoneCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs	(.../StabilityStoneCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs)	(revision 2a5b882dc9e52231eea22d40d686b075aa72a1aa)
+++ Ringtoets/StabilityStoneCover/test/Ringtoets.StabilityStoneCover.Plugin.Test/TreeNodeInfos/StabilityStoneCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs	(.../StabilityStoneCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs)	(revision afc4b885597e413e57ab91f92d6bd79a0bc906a0)
@@ -152,13 +152,14 @@
             var location = new TestHydraulicBoundaryLocation();
 
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 Locations =
                 {
                     location
                 }
-            };
+            });
+
             mocks.ReplayAll();
 
             var parent = new CalculationGroup();
@@ -209,13 +210,14 @@
             var location = new TestHydraulicBoundaryLocation();
 
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 Locations =
                 {
                     location
                 }
-            };
+            });
+
             mocks.ReplayAll();
 
             var parent = new CalculationGroup();
@@ -476,11 +478,11 @@
             string validFilePath = Path.Combine(testDataPath, "complete.sqlite");
 
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = validFilePath,
                 Version = "random"
-            };
+            });
 
             var failureMechanism = new StabilityStoneCoverFailureMechanism();
             var parent = new CalculationGroup();
@@ -646,8 +648,9 @@
         {
             // Given
             var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase());
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -702,11 +705,12 @@
                                                                        Path.Combine("HydraulicBoundaryDatabaseImporter", "complete.sqlite"));
 
             var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = validHydroDatabasePath
-            };
+            });
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -1155,8 +1159,9 @@
         {
             // Given
             var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase());
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -1211,11 +1216,12 @@
                                                                        Path.Combine("HydraulicBoundaryDatabaseImporter", "complete.sqlite"));
 
             var failureMechanism = new StabilityStoneCoverFailureMechanism();
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = validHydroDatabasePath
-            };
+            });
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -1416,16 +1422,16 @@
             {
                 Contribution = 5
             };
+
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStubWithoutBoundaryDatabase(
                 failureMechanism, mocks);
-
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = Path.Combine(testDataPath, "complete.sqlite"),
                 CanUsePreprocessor = true,
                 UsePreprocessor = false,
                 PreprocessorDirectory = "InvalidPreprocessorDirectory"
-            };
+            });
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -1498,14 +1504,13 @@
             };
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStubWithoutBoundaryDatabase(
                 failureMechanism, mocks);
-
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = Path.Combine(testDataPath, "complete.sqlite"),
                 CanUsePreprocessor = true,
                 UsePreprocessor = true,
                 PreprocessorDirectory = TestHelper.GetScratchPadPath()
-            };
+            });
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation
@@ -1578,14 +1583,13 @@
             };
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStubWithoutBoundaryDatabase(
                 failureMechanism, mocks);
-
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase
             {
                 FilePath = Path.Combine(testDataPath, "complete.sqlite"),
                 CanUsePreprocessor = true,
                 UsePreprocessor = true,
                 PreprocessorDirectory = "InvalidPreprocessorDirectory"
-            };
+            });
 
             var parent = new CalculationGroup();
             var calculation = new StabilityStoneCoverWaveConditionsCalculation