Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -rfd8059beb2ecb8220909e41e6cc51952ad359fb5 -r74b770f7c10af3de443f319688cb1a0f20a1e5c8
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs)	(revision fd8059beb2ecb8220909e41e6cc51952ad359fb5)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs)	(revision 74b770f7c10af3de443f319688cb1a0f20a1e5c8)
@@ -572,7 +572,10 @@
             // Setup
             using (var treeViewControl = new TreeViewControl())
             {
-                var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+                var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
+                {
+                    Contribution = 5
+                };
                 var group = new CalculationGroup();
                 group.Children.Add(new GrassCoverErosionOutwardsWaveConditionsCalculation());
                 failureMechanism.WaveConditionsCalculationGroup.Children.Add(group);
@@ -613,7 +616,10 @@
             // Setup
             using (var treeViewControl = new TreeViewControl())
             {
-                var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+                var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
+                {
+                    Contribution = 5
+                };
                 var group = new CalculationGroup();
                 group.Children.Add(new GrassCoverErosionOutwardsWaveConditionsCalculation());
                 failureMechanism.WaveConditionsCalculationGroup.Children.Add(group);
@@ -692,7 +698,10 @@
             group.Children.Add(calculationA);
             group.Children.Add(calculationB);
 
-            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
+            {
+                Contribution = 5
+            };
             failureMechanism.WaveConditionsCalculationGroup.Children.Add(group);
 
             IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(