Index: Ringtoets/WaveImpactAsphaltCover/test/Ringtoets.WaveImpactAsphaltCover.Plugin.Test/TreeNodeInfos/WaveImpactAsphaltCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -r315129be0214e8ac9c35f1050a73a988c999c29f -r883004e510cc8ace534ba4b4545ec886c20e4d4f
--- Ringtoets/WaveImpactAsphaltCover/test/Ringtoets.WaveImpactAsphaltCover.Plugin.Test/TreeNodeInfos/WaveImpactAsphaltCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs)	(revision 315129be0214e8ac9c35f1050a73a988c999c29f)
+++ Ringtoets/WaveImpactAsphaltCover/test/Ringtoets.WaveImpactAsphaltCover.Plugin.Test/TreeNodeInfos/WaveImpactAsphaltCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationContextTreeNodeInfoTest.cs)	(revision 883004e510cc8ace534ba4b4545ec886c20e4d4f)
@@ -154,13 +154,14 @@
             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();
@@ -210,13 +211,14 @@
             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();
@@ -470,11 +472,11 @@
             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 WaveImpactAsphaltCoverFailureMechanism();
             var parent = new CalculationGroup();
@@ -597,8 +599,9 @@
                 new Point2D(0, 0),
                 new Point2D(1, 1)
             }));
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase());
 
             var parent = new CalculationGroup();
             var calculation = new WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -657,11 +660,12 @@
                 new Point2D(0, 0),
                 new Point2D(1, 1)
             }));
+
             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 WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -1143,16 +1147,16 @@
             {
                 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 WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -1225,14 +1229,13 @@
             };
             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 WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -1305,14 +1308,13 @@
             };
             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 WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -1438,8 +1440,9 @@
                 new Point2D(0, 0),
                 new Point2D(1, 1)
             }));
+
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
+            assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase());
 
             var parent = new CalculationGroup();
             var calculation = new WaveImpactAsphaltCoverWaveConditionsCalculation
@@ -1498,11 +1501,12 @@
                 new Point2D(0, 0),
                 new Point2D(1, 1)
             }));
+
             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 WaveImpactAsphaltCoverWaveConditionsCalculation