Index: Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs
===================================================================
diff -u -r91a0ce794ee741808096983143452e692bc786f3 -r55c1e0c91d20a83ff7e491f06b4b2d88d9cca09a
--- Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs	(.../TestWaveConditionsCalculation.cs)	(revision 91a0ce794ee741808096983143452e692bc786f3)
+++ Ringtoets/Revetment/test/Ringtoets.Revetment.Data.TestUtil/TestWaveConditionsCalculation.cs	(.../TestWaveConditionsCalculation.cs)	(revision 55c1e0c91d20a83ff7e491f06b4b2d88d9cca09a)
@@ -48,14 +48,16 @@
 
         public T InputParameters { get; }
 
-        public bool HasOutput
+        public bool ShouldCalculate
         {
             get
             {
-                return false;
+                return !HasOutput;
             }
         }
 
+        public bool HasOutput { get; }
+
         public void ClearOutput() {}
 
         #region Irrelevant for test