Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/SoilProfile/MacroStabilityInwardsSoilProfile2DTestFactoryTest.cs
===================================================================
diff -u -r1f04a4b4d98fc797240cd4fb8a099995b9557592 -r5ebb831ed90c74682cd9224287b4cc957e47d123
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/SoilProfile/MacroStabilityInwardsSoilProfile2DTestFactoryTest.cs	(.../MacroStabilityInwardsSoilProfile2DTestFactoryTest.cs)	(revision 1f04a4b4d98fc797240cd4fb8a099995b9557592)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/SoilProfile/MacroStabilityInwardsSoilProfile2DTestFactoryTest.cs	(.../MacroStabilityInwardsSoilProfile2DTestFactoryTest.cs)	(revision 5ebb831ed90c74682cd9224287b4cc957e47d123)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.Linq;
 using Core.Common.Base.Geometry;
 using NUnit.Framework;
 using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
@@ -46,12 +47,20 @@
                 {
                     new Point2D(0, 0),
                     new Point2D(1, 1)
-                }), new Ring[0]),
+                }), new Ring[0])
+                {
+                    Data = new MacroStabilityInwardsSoilLayerData(),
+                    NestedLayers = Enumerable.Empty<IMacroStabilityInwardsSoilLayer2D>()
+                },
                 new MacroStabilityInwardsSoilLayer2D(new Ring(new[]
                 {
                     new Point2D(1, 1),
                     new Point2D(2, 2)
                 }), new Ring[0])
+                {
+                    Data = new MacroStabilityInwardsSoilLayerData(),
+                    NestedLayers = Enumerable.Empty<IMacroStabilityInwardsSoilLayer2D>()
+                }
             }, soilProfile.Layers);
             CollectionAssert.IsEmpty(soilProfile.PreconsolidationStresses);
         }