Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/ClosingStructuresPluginTest.cs
===================================================================
diff -u -rad75a347a7586757599297f2b2e776100d827264 -r9214f74184b5923e0fb04b86d50c5bf8e5e57cdc
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/ClosingStructuresPluginTest.cs	(.../ClosingStructuresPluginTest.cs)	(revision ad75a347a7586757599297f2b2e776100d827264)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Plugin.Test/ClosingStructuresPluginTest.cs	(.../ClosingStructuresPluginTest.cs)	(revision 9214f74184b5923e0fb04b86d50c5bf8e5e57cdc)
@@ -57,11 +57,12 @@
                 TreeNodeInfo[] treeNodeInfos = plugin.GetTreeNodeInfos().ToArray();
 
                 // Assert
-                Assert.AreEqual(4, treeNodeInfos.Length);
+                Assert.AreEqual(5, treeNodeInfos.Length);
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ClosingStructuresFailureMechanismContext)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(FailureMechanismSectionResultContext<ClosingStructuresFailureMechanismSectionResult>)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ClosingStructuresContext)));
                 Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ClosingStructuresCalculationGroupContext)));
+                Assert.IsTrue(treeNodeInfos.Any(tni => tni.TagType == typeof(ClosingStructuresCalculationContext)));
             }
         }