Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -r6dbb29ed12c28b66db763ff603f3ab8e28a0adf4 -r3df200a3968f49aa1098764c284a7fafb2a14de4
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision 6dbb29ed12c28b66db763ff603f3ab8e28a0adf4)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision 3df200a3968f49aa1098764c284a7fafb2a14de4)
@@ -119,7 +119,7 @@
         }
 
         [Test]
-        public void ChildNodeObjects_Always_ReturnChildDataNodes()
+        public void ChildNodeObjects_FailureMechanismIsRelevant_ReturnChildDataNodes()
         {
             // Setup
             var assessmentSection = mocks.Stub<IAssessmentSection>();
@@ -177,6 +177,34 @@
         }
 
         [Test]
+        public void ChildNodeObjects_FailureMechanismIsNotRelevant_ReturnOnlyFailureMechanismComments()
+        {
+            // Setup
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            mocks.ReplayAll();
+
+            var pipingFailureMechanism = new PipingFailureMechanism
+            {
+                IsRelevant = false
+            };
+            var generalInputParameters = new GeneralPipingInput();
+            var semiProbabilisticInputParameters = new NormProbabilityPipingInput();
+            pipingFailureMechanism.CalculationsGroup.Children.Add(new PipingCalculationScenario(generalInputParameters, semiProbabilisticInputParameters));
+            pipingFailureMechanism.CalculationsGroup.Children.Add(new PipingCalculationScenario(generalInputParameters, semiProbabilisticInputParameters));
+
+            var pipingFailureMechanismContext = new PipingFailureMechanismContext(pipingFailureMechanism, assessmentSection);
+
+            // Call
+            var children = info.ChildNodeObjects(pipingFailureMechanismContext).ToArray();
+
+            // Assert
+            Assert.AreEqual(1, children.Length);
+            var commentContext = (CommentContext<ICommentable>)children[0];
+            Assert.AreSame(pipingFailureMechanism, commentContext.CommentContainer);
+            mocks.VerifyAll();
+        }
+
+        [Test]
         [TestCase(false)]
         [TestCase(true)]
         public void GivenMultiplePipingCalculationsWithOutput_WhenClearingOutputFromContextMenu_ThenPipingOutputCleared(bool confirm)