Index: Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs
===================================================================
diff -u -rad0f4a7a0f8b9f065da77eda1a450ac3696b8f7f -r99f686f22091051a65ff1ee20abd68ffad713647
--- Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision ad0f4a7a0f8b9f065da77eda1a450ac3696b8f7f)
+++ Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision 99f686f22091051a65ff1ee20abd68ffad713647)
@@ -76,7 +76,7 @@
         public static void CalculateEffectiveThicknessCoverageLayer_WithMultipleCharacteristicTypesOnSamePoint_ReturnsThickness()
         {
             // Setup
-            var surfaceLine = new PipingSurfaceLine();
+            var surfaceLine = new PipingSurfaceLine(string.Empty);
             surfaceLine.SetGeometry(new[]
             {
                 new Point3D(0, 0, 10),
@@ -125,7 +125,7 @@
         public static void CalculateEffectiveThicknessCoverageLayer_ValidInput_ReturnsThickness()
         {
             // Setup
-            var surfaceLine = new PipingSurfaceLine();
+            var surfaceLine = new PipingSurfaceLine(string.Empty);
             surfaceLine.SetGeometry(new[]
             {
                 new Point3D(0, 0, 10),