Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsInputContextPropertiesTest.cs
===================================================================
diff -u -rff1fb057078592d0e808d7a6d8dd065a1478cf8b -rf8e813a9b33f9bab5505f126995b58ba63aefa5c
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsInputContextPropertiesTest.cs	(.../GrassCoverErosionInwardsInputContextPropertiesTest.cs)	(revision ff1fb057078592d0e808d7a6d8dd065a1478cf8b)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Forms.Test/PropertyClasses/GrassCoverErosionInwardsInputContextPropertiesTest.cs	(.../GrassCoverErosionInwardsInputContextPropertiesTest.cs)	(revision f8e813a9b33f9bab5505f126995b58ba63aefa5c)
@@ -144,10 +144,10 @@
         public void Constructor_WithInputContextInstance_ReturnCorrectPropertyValues()
         {
             // Setup
-            var failureMechanism = mockRepository.Stub<GrassCoverErosionInwardsFailureMechanism>();
-            var calculation = mockRepository.Stub<GrassCoverErosionInwardsCalculation>();
             mockRepository.ReplayAll();
 
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+            var calculation = new GrassCoverErosionInwardsCalculation(double.NaN);
             var input = new GrassCoverErosionInwardsInput(double.NaN);
             var inputContext = new GrassCoverErosionInwardsInputContext(input, calculation, failureMechanism, assessmentSection);
 
@@ -186,10 +186,10 @@
         public void Constructor_WithInputContextInstanceWithDikeProfile_ReturnCorrectPropertyValues()
         {
             // Setup
-            var failureMechanism = mockRepository.Stub<GrassCoverErosionInwardsFailureMechanism>();
-            var calculation = mockRepository.Stub<GrassCoverErosionInwardsCalculation>();
             mockRepository.ReplayAll();
 
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+            var calculation = new GrassCoverErosionInwardsCalculation(double.NaN);
             var input = new GrassCoverErosionInwardsInput(double.NaN)
             {
                 DikeProfile = DikeProfileTestFactory.CreateDikeProfile(new Point2D(12.34, 56.78)),
@@ -295,12 +295,12 @@
         {
             // Setup
             const int numberOfChangedProperties = 3;
-            var failureMechanism = mockRepository.Stub<GrassCoverErosionInwardsFailureMechanism>();
-            var calculation = mockRepository.Stub<GrassCoverErosionInwardsCalculation>();
             var observer = mockRepository.StrictMock<IObserver>();
             observer.Expect(o => o.UpdateObserver()).Repeat.Times(numberOfChangedProperties);
             mockRepository.ReplayAll();
 
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+            var calculation = new GrassCoverErosionInwardsCalculation(double.NaN);
             var input = new GrassCoverErosionInwardsInput(double.NaN)
             {
                 DikeHeightCalculationType = DikeHeightCalculationType.CalculateByAssessmentSectionNorm,
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -rae28e58fd62f93375f16284445d6171e2d9fa436 -rf8e813a9b33f9bab5505f126995b58ba63aefa5c
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs)	(revision ae28e58fd62f93375f16284445d6171e2d9fa436)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs)	(revision f8e813a9b33f9bab5505f126995b58ba63aefa5c)
@@ -41,6 +41,7 @@
 using Rhino.Mocks;
 using Riskeer.Common.Data.AssessmentSection;
 using Riskeer.Common.Data.Calculation;
+using Riskeer.Common.Data.Contribution;
 using Riskeer.Common.Data.DikeProfiles;
 using Riskeer.Common.Data.Hydraulics;
 using Riskeer.Common.Data.TestUtil;
@@ -1723,6 +1724,8 @@
             var group = new CalculationGroup();
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
+            assessmentSection.Stub(section => section.FailureMechanismContribution).Return(new FailureMechanismContribution(0.01, 0.001));
+
             var nodeData = new GrassCoverErosionInwardsCalculationGroupContext(group,
                                                                                null,
                                                                                failureMechanism,
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs
===================================================================
diff -u -r1ba3eebbfe2ac3df531f67700f8f787302d8582c -rf8e813a9b33f9bab5505f126995b58ba63aefa5c
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs)	(revision 1ba3eebbfe2ac3df531f67700f8f787302d8582c)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs)	(revision f8e813a9b33f9bab5505f126995b58ba63aefa5c)
@@ -88,8 +88,8 @@
         {
             // Setup
             var grassCoverErosionInwardsInputContext = new GrassCoverErosionInwardsInputContext(
-                mocksRepository.Stub<GrassCoverErosionInwardsInput>(),
-                mocksRepository.Stub<GrassCoverErosionInwardsCalculation>(),
+                new GrassCoverErosionInwardsInput(double.NaN),
+                new GrassCoverErosionInwardsCalculation(double.NaN),
                 new GrassCoverErosionInwardsFailureMechanism(),
                 mocksRepository.Stub<IAssessmentSection>());
 
@@ -107,8 +107,8 @@
         {
             // Setup
             var grassCoverErosionInwardsInputContext = new GrassCoverErosionInwardsInputContext(
-                mocksRepository.Stub<GrassCoverErosionInwardsInput>(),
-                mocksRepository.Stub<GrassCoverErosionInwardsCalculation>(),
+                new GrassCoverErosionInwardsInput(double.NaN),
+                new GrassCoverErosionInwardsCalculation(double.NaN),
                 new GrassCoverErosionInwardsFailureMechanism(),
                 mocksRepository.Stub<IAssessmentSection>());