Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Integration.Test/MacroStabilityInwardsCalculationsViewIntegrationTest.cs
===================================================================
diff -u -r5d822eca2d7467c9781a4a3a54d796ac4229e4a3 -rb9a137f40abfad0d9d89721da6ccd713f0fced7d
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Integration.Test/MacroStabilityInwardsCalculationsViewIntegrationTest.cs	(.../MacroStabilityInwardsCalculationsViewIntegrationTest.cs)	(revision 5d822eca2d7467c9781a4a3a54d796ac4229e4a3)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Integration.Test/MacroStabilityInwardsCalculationsViewIntegrationTest.cs	(.../MacroStabilityInwardsCalculationsViewIntegrationTest.cs)	(revision b9a137f40abfad0d9d89721da6ccd713f0fced7d)
@@ -105,6 +105,7 @@
 
                 // Import hydraulic boundary locations and ensure the corresponding combobox items are updated
                 DataImportHelper.ImportHydraulicBoundaryDatabase(assessmentSection);
+                assessmentSection.HydraulicBoundaryDatabase.Locations.NotifyObservers();
                 Assert.AreEqual(19, ((DataGridViewComboBoxCell) dataGridView.Rows[0].Cells[hydraulicBoundaryLocationsColumnIndex]).Items.Count);
 
                 // Add group and ensure the data grid view is not changed
Index: Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingCalculationsViewIntegrationTest.cs
===================================================================
diff -u -r5d822eca2d7467c9781a4a3a54d796ac4229e4a3 -rb9a137f40abfad0d9d89721da6ccd713f0fced7d
--- Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingCalculationsViewIntegrationTest.cs	(.../PipingCalculationsViewIntegrationTest.cs)	(revision 5d822eca2d7467c9781a4a3a54d796ac4229e4a3)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Integration.Test/PipingCalculationsViewIntegrationTest.cs	(.../PipingCalculationsViewIntegrationTest.cs)	(revision b9a137f40abfad0d9d89721da6ccd713f0fced7d)
@@ -108,6 +108,7 @@
 
                 // Import hydraulic boundary locations and ensure the corresponding combobox items are updated
                 DataImportHelper.ImportHydraulicBoundaryDatabase(assessmentSection);
+                assessmentSection.HydraulicBoundaryDatabase.Locations.NotifyObservers();
                 Assert.AreEqual(19, ((DataGridViewComboBoxCell) dataGridView.Rows[0].Cells[hydraulicBoundaryLocationsColumnIndex]).Items.Count);
 
                 // Add group and ensure the data grid view is not changed