Index: Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs
===================================================================
diff -u -r17b11c850b35c3ea99150ba25098b5b769b58f4f -r5ca67bdbaab0f6a9fb7682c06140b93bb0f5b5bb
--- Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs	(.../TestWaveConditionsCalculation.cs)	(revision 17b11c850b35c3ea99150ba25098b5b769b58f4f)
+++ Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs	(.../TestWaveConditionsCalculation.cs)	(revision 5ca67bdbaab0f6a9fb7682c06140b93bb0f5b5bb)
@@ -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;
 using Ringtoets.Common.Data.Calculation;
@@ -69,7 +70,7 @@
 
         public object Clone()
         {
-            throw new System.NotImplementedException();
+            throw new NotImplementedException();
         }
 
         #endregion