Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsPluginTest.cs
===================================================================
diff -u -re5f4a598d201934e48ab71795fb3b19cb9a960b1 -r6b9fda141298524c0910937dd090d82be420c52b
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsPluginTest.cs	(.../RingtoetsPluginTest.cs)	(revision e5f4a598d201934e48ab71795fb3b19cb9a960b1)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/RingtoetsPluginTest.cs	(.../RingtoetsPluginTest.cs)	(revision 6b9fda141298524c0910937dd090d82be420c52b)
@@ -415,7 +415,7 @@
                 TreeNodeInfo[] treeNodeInfos = plugin.GetTreeNodeInfos().ToArray();
 
                 // Assert
-                Assert.AreEqual(25, treeNodeInfos.Length);
+                Assert.AreEqual(26, treeNodeInfos.Length);
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(AssessmentSection)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ReferenceLineContext)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(FailureMechanismContext<IFailureMechanism>)));
@@ -440,6 +440,7 @@
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(FailureMechanismSectionResultContext<MacrostabilityInwardsFailureMechanismSectionResult>)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(CommentContext<ICommentable>)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ProbabilityAssessmentOutput)));
+                Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(EmptyProbabilityAssessmentOutput)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(RingtoetsProject)));
             }
         }