Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/ObservableTestAssessmentSectionStub.cs
===================================================================
diff -u -r0b1d2fa86b25a29302326667d7775fb2d4675fda -r4fdba8dfc93afae1625a57e17a3a1322697ec728
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/ObservableTestAssessmentSectionStub.cs	(.../ObservableTestAssessmentSectionStub.cs)	(revision 0b1d2fa86b25a29302326667d7775fb2d4675fda)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/ObservableTestAssessmentSectionStub.cs	(.../ObservableTestAssessmentSectionStub.cs)	(revision 4fdba8dfc93afae1625a57e17a3a1322697ec728)
@@ -35,6 +35,7 @@
     /// </summary>
     public class ObservableTestAssessmentSectionStub : Observable, IAssessmentSection
     {
+        private static readonly Random random = new Random(21);
         private readonly ObservableList<HydraulicBoundaryLocationCalculation> waterLevelCalculationsForFactorizedSignalingNorm;
         private readonly ObservableList<HydraulicBoundaryLocationCalculation> waterLevelCalculationsForSignalingNorm;
         private readonly ObservableList<HydraulicBoundaryLocationCalculation> waterLevelCalculationsForLowerLimitNorm;
@@ -151,17 +152,20 @@
         /// Adds a hydraulic boundary location to the assessment section stub.
         /// </summary>
         /// <param name="hydraulicBoundaryLocation">The hydraulic boundary location to add.</param>
-        public void AddHydraulicBoundaryLocation(HydraulicBoundaryLocation hydraulicBoundaryLocation)
+        /// <param name="setCalculationOutput">Whether to set dummy output for the automatically generated
+        /// hydraulic boundary location calculations.</param>
+        public void AddHydraulicBoundaryLocation(HydraulicBoundaryLocation hydraulicBoundaryLocation, bool setCalculationOutput = false)
         {
             HydraulicBoundaryDatabase.Locations.Add(hydraulicBoundaryLocation);
-            waterLevelCalculationsForFactorizedSignalingNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waterLevelCalculationsForSignalingNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waterLevelCalculationsForLowerLimitNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waterLevelCalculationsForFactorizedLowerLimitNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waveHeightCalculationsForFactorizedSignalingNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waveHeightCalculationsForSignalingNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waveHeightCalculationsForLowerLimitNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
-            waveHeightCalculationsForFactorizedLowerLimitNorm.Add(new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation));
+
+            waterLevelCalculationsForFactorizedSignalingNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waterLevelCalculationsForSignalingNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waterLevelCalculationsForLowerLimitNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waterLevelCalculationsForFactorizedLowerLimitNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waveHeightCalculationsForFactorizedSignalingNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waveHeightCalculationsForSignalingNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waveHeightCalculationsForLowerLimitNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
+            waveHeightCalculationsForFactorizedLowerLimitNorm.Add(CreateHydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation, setCalculationOutput));
         }
 
         public IEnumerable<IFailureMechanism> GetFailureMechanisms()
@@ -173,5 +177,18 @@
         {
             throw new NotImplementedException("Stub only verifies Observable and basic behaviour, use a proper stub when this function is necessary.");
         }
+
+        private static HydraulicBoundaryLocationCalculation CreateHydraulicBoundaryLocationCalculation(HydraulicBoundaryLocation hydraulicBoundaryLocation,
+                                                                                                       bool setCalculationOutput)
+        {
+            var hydraulicBoundaryLocationCalculation = new HydraulicBoundaryLocationCalculation(hydraulicBoundaryLocation);
+
+            if (setCalculationOutput)
+            {
+                hydraulicBoundaryLocationCalculation.Output = new TestHydraulicBoundaryLocationOutput(random.NextDouble());
+            }
+
+            return hydraulicBoundaryLocationCalculation;
+        }
     }
 }
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