Index: Ringtoets/Common/test/Ringtoets.Common.Service.Test/RingtoetsCommonDataSynchronizationServicesTest.cs
===================================================================
diff -u -r87aafc58782eb7ce49b1e06b1db2feda8cd85948 -re60dbf2fd41434270cad4efba20446e19ede0d2e
--- Ringtoets/Common/test/Ringtoets.Common.Service.Test/RingtoetsCommonDataSynchronizationServicesTest.cs	(.../RingtoetsCommonDataSynchronizationServicesTest.cs)	(revision 87aafc58782eb7ce49b1e06b1db2feda8cd85948)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.Test/RingtoetsCommonDataSynchronizationServicesTest.cs	(.../RingtoetsCommonDataSynchronizationServicesTest.cs)	(revision e60dbf2fd41434270cad4efba20446e19ede0d2e)
@@ -80,7 +80,7 @@
         public void ClearHydraulicBoundaryLocationOutput_HydraulicBoundaryDatabaseWithoutLocations_ReturnsNoAffectedObjects()
         {
             // Setup
-            var locations = new ObservableList<HydraulicBoundaryLocation>();
+            IEnumerable<HydraulicBoundaryLocation> locations = new ObservableList<HydraulicBoundaryLocation>();
 
             // Call
             IEnumerable<IObservable> affectedObjects = RingtoetsCommonDataSynchronizationService.ClearHydraulicBoundaryLocationOutput(locations);