Index: Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs
===================================================================
diff -u -r3bcc8993307e3b6dea8f496d6acbc9c474581787 -rc5c520903649e40b5a48611051705c07c95672e9
--- Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision 3bcc8993307e3b6dea8f496d6acbc9c474581787)
+++ Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision c5c520903649e40b5a48611051705c07c95672e9)
@@ -19,9 +19,11 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.Linq;
 using Core.Common.Base.Data;
 using Core.Common.Base.Geometry;
+using Core.Common.TestUtil;
 using NUnit.Framework;
 using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Piping.Data;
@@ -43,7 +45,7 @@
         public static void CalculateEffectiveThicknessCoverageLayer_InvalidPipingCalculationWithOutput_ReturnsNaN()
         {
             // Setup
-            PipingCalculation invalidPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput();
+            PipingCalculation invalidPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput(new TestHydraulicBoundaryLocation());
 
             // Make invalid by having surface line partially above soil profile:
             double highestLevelSurfaceLine = invalidPipingCalculation.InputParameters.SurfaceLine.Points.Max(p => p.Z);
@@ -184,7 +186,7 @@
         public static void CalculateEffectiveThicknessCoverageLayer_CompleteInput_InputSetOnSubCalculator()
         {
             // Setup
-            PipingCalculation validPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput();
+            PipingCalculation validPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput(new TestHydraulicBoundaryLocation());
             PipingInput input = validPipingCalculation.InputParameters;
 
             using (new PipingSubCalculatorFactoryConfig())
@@ -216,22 +218,23 @@
         public static void CalculatePiezometricHeadAtExit_CompleteInput_InputSetOnSubCalculator()
         {
             // Setup
-            PipingCalculation validPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput();
+            RoundedDouble assessmentLevel = new Random(21).NextRoundedDouble();
+            PipingCalculation validPipingCalculation = PipingCalculationScenarioTestFactory.CreatePipingCalculationScenarioWithValidInput(new TestHydraulicBoundaryLocation());
             PipingInput input = validPipingCalculation.InputParameters;
 
             using (new PipingSubCalculatorFactoryConfig())
             {
                 // Call
                 InputParameterCalculationService.CalculatePiezometricHeadAtExit(
-                    input.AssessmentLevel,
+                    assessmentLevel,
                     PipingSemiProbabilisticDesignVariableFactory.GetDampingFactorExit(input).GetDesignValue(),
                     PipingSemiProbabilisticDesignVariableFactory.GetPhreaticLevelExit(input).GetDesignValue());
 
                 // Assert
                 var testFactory = (TestPipingSubCalculatorFactory) PipingSubCalculatorFactory.Instance;
                 PiezoHeadCalculatorStub piezometricHeadAtExitCalculator = testFactory.LastCreatedPiezometricHeadAtExitCalculator;
 
-                Assert.AreEqual(input.AssessmentLevel.Value, piezometricHeadAtExitCalculator.HRiver);
+                Assert.AreEqual(assessmentLevel.Value, piezometricHeadAtExitCalculator.HRiver);
                 Assert.AreEqual(PipingSemiProbabilisticDesignVariableFactory.GetPhreaticLevelExit(input).GetDesignValue(),
                                 piezometricHeadAtExitCalculator.PhiPolder,
                                 input.PhreaticLevelExit.GetAccuracy());
@@ -263,10 +266,12 @@
                 Assert.IsNull(otherPoint);
                 return;
             }
+
             if (otherPoint == null)
             {
                 Assert.Fail("Expected value for otherPoint.");
             }
+
             Assert.AreEqual(point.X, otherPoint.X, 1e-2);
             Assert.AreEqual(point.Y, otherPoint.Y, 1e-2);
             Assert.AreEqual(point.Z, otherPoint.Z, 1e-2);