Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestCalculation.cs
===================================================================
diff -u -r17b11c850b35c3ea99150ba25098b5b769b58f4f -r836d03bd77cc7848d686b59c61fd63ef711c7b32
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestCalculation.cs	(.../TestCalculation.cs)	(revision 17b11c850b35c3ea99150ba25098b5b769b58f4f)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestCalculation.cs	(.../TestCalculation.cs)	(revision 836d03bd77cc7848d686b59c61fd63ef711c7b32)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Common.Base;
 using Ringtoets.Common.Data.Calculation;
 
@@ -62,7 +63,7 @@
 
         public object Clone()
         {
-            return MemberwiseClone();
+            throw new NotImplementedException();
         }
     }
 }
\ No newline at end of file