Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs
===================================================================
diff -u -r0540405a7dbabf85dc02db30c79c3c58b0faeea6 -rc1d26c85ae973bcea8b126849492de2e93845b05
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs	(.../StorageSqLiteIntegrationTest.cs)	(revision 0540405a7dbabf85dc02db30c79c3c58b0faeea6)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs	(.../StorageSqLiteIntegrationTest.cs)	(revision c1d26c85ae973bcea8b126849492de2e93845b05)
@@ -1060,6 +1060,7 @@
                                                                            GrassCoverErosionOutwardsFailureMechanism actualFailureMechanism)
         {
             Assert.AreEqual(expectedFailureMechanism.GeneralInput.N, actualFailureMechanism.GeneralInput.N);
+            AssertCalculationGroup(expectedFailureMechanism.WaveConditionsCalculationGroup, actualFailureMechanism.WaveConditionsCalculationGroup);
         }
 
         private static void AssertStabilityStoneCoverFailureMechanism(StabilityStoneCoverFailureMechanism expectedFailureMechanism,
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs
===================================================================
diff -u -r0540405a7dbabf85dc02db30c79c3c58b0faeea6 -rc1d26c85ae973bcea8b126849492de2e93845b05
--- Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision 0540405a7dbabf85dc02db30c79c3c58b0faeea6)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision c1d26c85ae973bcea8b126849492de2e93845b05)
@@ -366,6 +366,26 @@
         private static void ConfigureGrassCoverErosionOutwardsFailureMechanism(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
         {
             failureMechanism.GeneralInput.N = 15;
+
+            failureMechanism.WaveConditionsCalculationGroup.Children.Add(new CalculationGroup
+            {
+                Name = "GCEO A",
+            });
+            failureMechanism.WaveConditionsCalculationGroup.Children.Add(new CalculationGroup
+            {
+                Name = "GCEO A"
+            });
+            failureMechanism.WaveConditionsCalculationGroup.Children.Add(new CalculationGroup
+            {
+                Name = "GCEO B",
+                Children =
+                {
+                    new CalculationGroup
+                    {
+                        Name = "GCEO B 1",
+                    }
+                }
+            });
         }
 
         private static void ConfigureStabilityStoneCoverFailureMechanism(StabilityStoneCoverFailureMechanism failureMechanism, IAssessmentSection assessmentSection)