Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r49621ecdce5a2a8f7c8bb689e8cfd6759dfb8fc6
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs	(.../PipingCalculationScenarioContextTreeNodeInfoTest.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs	(.../PipingCalculationScenarioContextTreeNodeInfoTest.cs)	(revision 49621ecdce5a2a8f7c8bb689e8cfd6759dfb8fc6)
@@ -774,7 +774,7 @@
 
             var elementToBeRemoved = new PipingCalculationScenario(new GeneralPipingInput());
 
-            var group = new CalculationGroup("");
+            var group = new CalculationGroup();
             group.Children.Add(elementToBeRemoved);
             group.Children.Add(new PipingCalculationScenario(new GeneralPipingInput()));
             group.Attach(observer);
@@ -826,7 +826,7 @@
                 }
             };
 
-            var group = new CalculationGroup("");
+            var group = new CalculationGroup();
             group.Children.Add(elementToBeRemoved);
             group.Children.Add(new PipingCalculationScenario(new GeneralPipingInput()));
             group.Attach(observer);