Index: Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationWriterTest.cs
===================================================================
diff -u -r0e275bef3e8fe6357f21ffb81746e9db72be6845 -rc3accdb7ca928bdd681dcd8a6b64dbc62e643e63
--- Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationWriterTest.cs	(.../WaveConditionsCalculationConfigurationWriterTest.cs)	(revision 0e275bef3e8fe6357f21ffb81746e9db72be6845)
+++ Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Configurations/WaveConditionsCalculationConfigurationWriterTest.cs	(.../WaveConditionsCalculationConfigurationWriterTest.cs)	(revision c3accdb7ca928bdd681dcd8a6b64dbc62e643e63)
@@ -21,6 +21,7 @@
 
 using System.ComponentModel;
 using System.IO;
+using System.Xml;
 using Core.Common.Base.Data;
 using Core.Common.IO.Exceptions;
 using Core.Common.TestUtil;
@@ -154,6 +155,8 @@
         private class TestWaveConditionsCalculationConfigurationWriter : WaveConditionsCalculationConfigurationWriter<WaveConditionsCalculationConfiguration>
         {
             public TestWaveConditionsCalculationConfigurationWriter(string filePath) : base(filePath) {}
+
+            protected override void WriteConfigurationCategoryTypeWhenAvailable(XmlWriter writer, WaveConditionsCalculationConfiguration configuration) {}
         }
     }
 }
\ No newline at end of file