Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/Piping/PipingCalculationScenarioCreateExtensionsTest.cs
===================================================================
diff -u -rb0b8bffcbb871a42e6c8b282fe20858d6a738dbc -r57bc6a475f6cdd57b1a0ebf70cdf533014afd1ff
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/Piping/PipingCalculationScenarioCreateExtensionsTest.cs	(.../PipingCalculationScenarioCreateExtensionsTest.cs)	(revision b0b8bffcbb871a42e6c8b282fe20858d6a738dbc)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/Piping/PipingCalculationScenarioCreateExtensionsTest.cs	(.../PipingCalculationScenarioCreateExtensionsTest.cs)	(revision 57bc6a475f6cdd57b1a0ebf70cdf533014afd1ff)
@@ -244,8 +244,10 @@
             PipingSoilProfile soilProfile = PipingSoilProfileTestFactory.CreatePipingSoilProfile();
             var stochasticSoilProfile = new PipingStochasticSoilProfile(0.6, soilProfile);
 
-            var soilModel = new PipingStochasticSoilModel("A");
-            soilModel.StochasticSoilProfiles.Add(stochasticSoilProfile);
+            PipingStochasticSoilModel soilModel = PipingStochasticSoilModelTestFactory.CreatePipingStochasticSoilModel("A", new[]
+            {
+                stochasticSoilProfile
+            });
 
             var registry = new PersistenceRegistry();
             StochasticSoilModelEntity soilModelEntity = soilModel.Create(registry, 0);