Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsWaveHeightCalculationsContextTest.cs
===================================================================
diff -u -r8b0dd5111c3972c3a64705f82b7b11330b9136c5 -r67d4254e33530e24d4d331437092392b69553ddd
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsWaveHeightCalculationsContextTest.cs	(.../GrassCoverErosionOutwardsWaveHeightCalculationsContextTest.cs)	(revision 8b0dd5111c3972c3a64705f82b7b11330b9136c5)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PresentationObjects/GrassCoverErosionOutwardsWaveHeightCalculationsContextTest.cs	(.../GrassCoverErosionOutwardsWaveHeightCalculationsContextTest.cs)	(revision 67d4254e33530e24d4d331437092392b69553ddd)
@@ -39,11 +39,10 @@
         {
             // Setup
             var mocks = new MockRepository();
+            var calculations = mocks.Stub<IObservableEnumerable<HydraulicBoundaryLocationCalculation>>();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
             mocks.ReplayAll();
 
-            var calculations = new ObservableList<HydraulicBoundaryLocationCalculation>();
-
             // Call
             TestDelegate call = () => new GrassCoverErosionOutwardsWaveHeightCalculationsContext(calculations, null, assessmentSection,
                                                                                                  () => 0.1, "Test name");