Index: Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil.Test/RingtoetsProjectTestHelperTest.cs
===================================================================
diff -u -r811967790aed0c6617f36c2135016a5bc4aa8fcc -r6bd97cb84b2c0b7c06298d9d42171ed0678e872c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil.Test/RingtoetsProjectTestHelperTest.cs	(.../RingtoetsProjectTestHelperTest.cs)	(revision 811967790aed0c6617f36c2135016a5bc4aa8fcc)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil.Test/RingtoetsProjectTestHelperTest.cs	(.../RingtoetsProjectTestHelperTest.cs)	(revision 6bd97cb84b2c0b7c06298d9d42171ed0678e872c)
@@ -291,7 +291,9 @@
 
             var firstCalculationGroup = (CalculationGroup)failureMechanism.CalculationsGroup.Children[0];
             Assert.AreEqual(1, firstCalculationGroup.Children.Count);
-            Assert.IsInstanceOf<StructuresCalculation<ClosingStructuresInput>>(firstCalculationGroup.Children[0]);
+            var calculationWithOutput = firstCalculationGroup.Children[0] as StructuresCalculation<ClosingStructuresInput>;
+            Assert.NotNull(calculationWithOutput);
+            Assert.IsTrue(calculationWithOutput.HasOutput);
 
             var secondCalculationGroup = (CalculationGroup)failureMechanism.CalculationsGroup.Children[1];
             Assert.AreEqual(0, secondCalculationGroup.Children.Count);