Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilModelCollectionTest.cs
===================================================================
diff -u -r94242c0e8dc46889015a0cc34aee3e37786bb30a -r16df8541528639fd1e8d9f2584fae28808b63fad
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilModelCollectionTest.cs	(.../StochasticSoilModelCollectionTest.cs)	(revision 94242c0e8dc46889015a0cc34aee3e37786bb30a)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/StochasticSoilModelCollectionTest.cs	(.../StochasticSoilModelCollectionTest.cs)	(revision 16df8541528639fd1e8d9f2584fae28808b63fad)
@@ -40,26 +40,26 @@
 
         protected override IEnumerable<StochasticSoilModel> UniqueElements()
         {
-            yield return new StochasticSoilModel(5, "Model A");
-            yield return new StochasticSoilModel(6, "Model B");
+            yield return new StochasticSoilModel("Model A");
+            yield return new StochasticSoilModel("Model B");
         }
 
         protected override IEnumerable<StochasticSoilModel> SingleNonUniqueElements()
         {
             const string someName = "Soil model";
-            yield return new StochasticSoilModel(5, someName);
-            yield return new StochasticSoilModel(6, someName);
+            yield return new StochasticSoilModel(someName);
+            yield return new StochasticSoilModel(someName);
         }
 
         protected override IEnumerable<StochasticSoilModel> MultipleNonUniqueElements()
         {
             const string someName = "Soil model";
             const string someOtherName = "Other soil model";
-            yield return new StochasticSoilModel(5, someName);
-            yield return new StochasticSoilModel(6, someName);
-            yield return new StochasticSoilModel(7, someOtherName);
-            yield return new StochasticSoilModel(8, someOtherName);
-            yield return new StochasticSoilModel(9, someOtherName);
+            yield return new StochasticSoilModel(someName);
+            yield return new StochasticSoilModel(someName);
+            yield return new StochasticSoilModel(someOtherName);
+            yield return new StochasticSoilModel(someOtherName);
+            yield return new StochasticSoilModel(someOtherName);
         }
 
         protected override void AssertSingleNonUniqueElements(ArgumentException exception, IEnumerable<StochasticSoilModel> itemsToAdd)