Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs
===================================================================
diff -u -r3bcc8993307e3b6dea8f496d6acbc9c474581787 -r8b37c0f11e7d78b71c298763124973e94845c87b
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 3bcc8993307e3b6dea8f496d6acbc9c474581787)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 8b37c0f11e7d78b71c298763124973e94845c87b)
@@ -82,7 +82,7 @@
         public void Validate_InvalidPipingCalculationWithOutput_ReturnsFalseNoOutputChange()
         {
             // Setup
-            var output = new TestPipingOutput();
+            PipingOutput output = PipingOutputTestFactory.Create();
             PipingCalculation invalidPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithInvalidInput();
             invalidPipingCalculation.Output = output;
 
@@ -999,7 +999,7 @@
         public void Calculate_ValidPipingCalculationWithOutput_ShouldChangeOutput()
         {
             // Setup
-            var output = new TestPipingOutput();
+            PipingOutput output = PipingOutputTestFactory.Create();
             RoundedDouble normativeAssessmentLevel = GetTestNormativeAssessmentLevel();
 
             testCalculation.Output = output;