Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/DesignWaterLevelCalculationActivityTest.cs
===================================================================
diff -u -rc45538da49b7940b722e1f12b95d16beb4ee8206 -r9598b5ccb274c8aedd4d0407ef3120d82935d3fe
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/DesignWaterLevelCalculationActivityTest.cs	(.../DesignWaterLevelCalculationActivityTest.cs)	(revision c45538da49b7940b722e1f12b95d16beb4ee8206)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/DesignWaterLevelCalculationActivityTest.cs	(.../DesignWaterLevelCalculationActivityTest.cs)	(revision 9598b5ccb274c8aedd4d0407ef3120d82935d3fe)
@@ -203,11 +203,12 @@
         }
 
         [Test]
-        public void Finish_InvalidCalculationAndRun_DoesNotSetDesignWaterlevelAndDoesNotNotifyObservers()
+        public void Finish_InvalidCalculationAndRun_DoesNotSetDesignWaterlevelAndUpdateObserver()
         {
             // Setup
             var mocks = new MockRepository();
             var observerMock = mocks.StrictMock<IObserver>();
+            observerMock.Expect(o => o.UpdateObserver());
             mocks.ReplayAll();
 
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);