Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.TestUtil/MacroStabilityInwardsCalculatorStub.cs
===================================================================
diff -u -r742cb1709bba5e30022c21501add2db4b3900c0c -r37b140fe95b895b99d5d93a853b9bc1b4e96d5e4
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.TestUtil/MacroStabilityInwardsCalculatorStub.cs	(.../MacroStabilityInwardsCalculatorStub.cs)	(revision 742cb1709bba5e30022c21501add2db4b3900c0c)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.TestUtil/MacroStabilityInwardsCalculatorStub.cs	(.../MacroStabilityInwardsCalculatorStub.cs)	(revision 37b140fe95b895b99d5d93a853b9bc1b4e96d5e4)
@@ -20,8 +20,6 @@
 // All rights reserved.
 
 using System.Collections.Generic;
-using Ringtoets.MacroStabilityInwards.KernelWrapper.Result;
-using Ringtoets.MacroStabilityInwards.KernelWrapper.TestUtil.Result;
 
 namespace Ringtoets.MacroStabilityInwards.KernelWrapper.TestUtil
 {
@@ -32,14 +30,11 @@
     {
         public MacroStabilityInwardsCalculatorInput Input { get; set; }
 
+        public MacroStabilityInwardsCalculatorResult Output { get; private set; }
+
         public MacroStabilityInwardsCalculatorResult Calculate()
         {
-            return new MacroStabilityInwardsCalculatorResult(
-                MacroStabilityInwardsSlidingCurveResultTestFactory.Create(),
-                new MacroStabilityInwardsUpliftVanCalculationGridResult(MacroStabilityInwardsGridResultTestFactory.Create(),
-                                                                        MacroStabilityInwardsGridResultTestFactory.Create(),
-                                                                        new double[0]),
-                new MacroStabilityInwardsCalculatorResult.ConstructionProperties());
+            return Output ?? (Output = MacroStabilityInwardsCalculatorResultTestFactory.Create());
         }
 
         public List<string> Validate()