Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Integration.Test/HeightStructuresCalculationActivityIntegrationTest.cs
===================================================================
diff -u -r0f7eb2998561112d0013b667ee39c2316341d2fe -r9598b5ccb274c8aedd4d0407ef3120d82935d3fe
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Integration.Test/HeightStructuresCalculationActivityIntegrationTest.cs	(.../HeightStructuresCalculationActivityIntegrationTest.cs)	(revision 0f7eb2998561112d0013b667ee39c2316341d2fe)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Integration.Test/HeightStructuresCalculationActivityIntegrationTest.cs	(.../HeightStructuresCalculationActivityIntegrationTest.cs)	(revision 9598b5ccb274c8aedd4d0407ef3120d82935d3fe)
@@ -261,11 +261,12 @@
         }
 
         [Test]
-        public void Finish_InValidHeightStructuresCalculationAndRan_DoesNotSetOutputAndDoesNotNotifyObserversOfHeightStructuresCalculation()
+        public void Finish_InValidHeightStructuresCalculationAndRan_DoesNotSetOutputAndNotifyObserversOfHeightStructuresCalculation()
         {
             // Setup
             var mocks = new MockRepository();
             var observerMock = mocks.StrictMock<IObserver>();
+            observerMock.Expect(o => o.UpdateObserver());
             mocks.ReplayAll();
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);