Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -r9194a3e3b03175688e3b7e7aab07f06a8ce02500 -rab676d2163511e70dff41634d24a18e86b4248f4
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs)	(revision 9194a3e3b03175688e3b7e7aab07f06a8ce02500)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationGroupContextTreeNodeInfoTest.cs)	(revision ab676d2163511e70dff41634d24a18e86b4248f4)
@@ -454,7 +454,7 @@
             {
                 Locations =
                 {
-                    new HydraulicBoundaryLocation(1, "1", 1, 1)
+                    new TestHydraulicBoundaryLocation()
                 }
             };
 
@@ -1366,8 +1366,8 @@
                         existingcalculation
                     }
                 };
-                var hydraulicBoundaryLocation1 = new HydraulicBoundaryLocation(1, "1", 1, 1);
-                var hydraulicBoundaryLocation2 = new HydraulicBoundaryLocation(2, "2", 2, 2);
+                var hydraulicBoundaryLocation1 = new TestHydraulicBoundaryLocation();
+                var hydraulicBoundaryLocation2 = new TestHydraulicBoundaryLocation();
                 var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
                 {
                     HydraulicBoundaryLocations =
@@ -1443,8 +1443,8 @@
             using (var treeViewControl = new TreeViewControl())
             {
                 var group = new CalculationGroup();
-                var hydraulicBoundaryLocation1 = new HydraulicBoundaryLocation(1, "1", 1, 1);
-                var hydraulicBoundaryLocation2 = new HydraulicBoundaryLocation(2, "2", 2, 2);
+                var hydraulicBoundaryLocation1 = new TestHydraulicBoundaryLocation();
+                var hydraulicBoundaryLocation2 = new TestHydraulicBoundaryLocation();
                 var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism
                 {
                     HydraulicBoundaryLocations =
@@ -1458,6 +1458,7 @@
                 {
                     Locations =
                     {
+                        new TestHydraulicBoundaryLocation(),
                         hydraulicBoundaryLocation1,
                         hydraulicBoundaryLocation2
                     }