Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Data.Test/HydraulicBoundaryLocationTest.cs
===================================================================
diff -u -r3d995a76fbe93cf9801596e6b959e7f5bcde5805 -r4f5e140bd0d2891988a862ff4c5749a7991a12b0
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Data.Test/HydraulicBoundaryLocationTest.cs	(.../HydraulicBoundaryLocationTest.cs)	(revision 3d995a76fbe93cf9801596e6b959e7f5bcde5805)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Data.Test/HydraulicBoundaryLocationTest.cs	(.../HydraulicBoundaryLocationTest.cs)	(revision 4f5e140bd0d2891988a862ff4c5749a7991a12b0)
@@ -20,7 +20,6 @@
 // All rights reserved.
 
 using System;
-using Core.Common.Base;
 using Core.Common.Base.Geometry;
 using NUnit.Framework;
 
@@ -52,8 +51,7 @@
             HydraulicBoundaryLocation hydraulicBoundaryLocation = new HydraulicBoundaryLocation(id, name, x, y);
 
             // Assert
-            Assert.IsInstanceOf<Observable>(hydraulicBoundaryLocation);
-            Assert.IsInstanceOf<HydraulicBoundaryLocation>(hydraulicBoundaryLocation);
+            Assert.IsInstanceOf<IHydraulicBoundaryLocation>(hydraulicBoundaryLocation);
             Assert.AreEqual(id, hydraulicBoundaryLocation.Id);
             Assert.AreEqual(name, hydraulicBoundaryLocation.Name);
             Point2D location = hydraulicBoundaryLocation.Location;