Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -rde8e5c0dd97c9e53a07e905a0f59617e570b2259 -rfcc734ebbc1e5c6c02ae2dae2a184fdcb9aa4d1b
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision de8e5c0dd97c9e53a07e905a0f59617e570b2259)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision fcc734ebbc1e5c6c02ae2dae2a184fdcb9aa4d1b)
@@ -36,6 +36,8 @@
 using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Common.Data.Contribution;
+using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Piping.Data;
 using Ringtoets.Piping.Data.TestUtil;
@@ -591,6 +593,7 @@
             var assessmentSection = mocks.Stub<IAssessmentSection>();
             var failureMechanismContext = new PipingFailureMechanismContext(failureMechanism, assessmentSection);
 
+            assessmentSection.Stub(s => s.FailureMechanismContribution).Return(new FailureMechanismContribution(Enumerable.Empty<IFailureMechanism>(), 30, 20000));
             gui.Expect(g => g.Get(failureMechanismContext, treeViewControl)).Return(menuBuilder);
             gui.Expect(g => g.MainWindow).Return(mainWindow);