Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -r94a8fd834622a76d6f5923d1dd6dddf3601e76ea -r9598b5ccb274c8aedd4d0407ef3120d82935d3fe
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationContextTreeNodeInfoTest.cs)	(revision 94a8fd834622a76d6f5923d1dd6dddf3601e76ea)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationContextTreeNodeInfoTest.cs)	(revision 9598b5ccb274c8aedd4d0407ef3120d82935d3fe)
@@ -566,12 +566,13 @@
         }
 
         [Test]
-        public void GivenCalculationWithNonExistingFilePath_WhenCalculatingFromContextMenu_ThenOutputClearedLogMessagesAddedObserversNotNotified()
+        public void GivenCalculationWithNonExistingFilePath_WhenCalculatingFromContextMenu_ThenOutputClearedLogMessagesAddedAndUpdateObserver()
         {
             // Given
             var gui = mocks.DynamicMock<IGui>();
             var mainWindow = mocks.DynamicMock<IMainWindow>();
             var observerMock = mocks.StrictMock<IObserver>();
+            observerMock.Expect(o => o.UpdateObserver());
 
             var section = new FailureMechanismSection("A", new[]
             {