Index: Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs
===================================================================
diff -u -rc0a3ced404197fd781c6fcbcfc21c6676592be57 -r8b85f978c7bbe5c29a6ada6509f14d0462b8b9c3
--- Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs	(.../TestPipingInput.cs)	(revision c0a3ced404197fd781c6fcbcfc21c6676592be57)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Calculation.TestUtil/TestPipingInput.cs	(.../TestPipingInput.cs)	(revision 8b85f978c7bbe5c29a6ada6509f14d0462b8b9c3)
@@ -69,7 +69,8 @@
         {
             return new PipingSoilProfile(String.Empty, -2, new []
             {
-                new PipingSoilLayer(9)
+                new PipingSoilLayer(9),
+                new PipingSoilLayer(4)
                 {
                     IsAquifer = true
                 },