Index: src/Deltares.DSoilModel.Forms.Tests/BoringLookup1DControlTests.cs
===================================================================
diff -u -r341 -r350
--- src/Deltares.DSoilModel.Forms.Tests/BoringLookup1DControlTests.cs	(.../BoringLookup1DControlTests.cs)	(revision 341)
+++ src/Deltares.DSoilModel.Forms.Tests/BoringLookup1DControlTests.cs	(.../BoringLookup1DControlTests.cs)	(revision 350)
@@ -32,7 +32,7 @@
             PropertyControl.SelectedObject = lookup;
             Assert.AreSame(lookup, PropertyControl.SelectedObject);
 
-            var subcontrol = GetPrivateField(PropertyControl, "BoringControl") as BoringControl;
+            var subcontrol = GetPrivateField<BoringControl>(PropertyControl, "BoringControl");
             Assert.NotNull(subcontrol);
             Assert.AreSame(lookup.Boring, subcontrol.SelectedObject);
         }