Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.Test/GrassCoverErosionInwardsInputTest.cs
===================================================================
diff -u -r9cad3fcafde3778a0b39a89b1758af7d8a120735 -r07f3d67fe9512b3c8303ff09398b0a234900d546
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.Test/GrassCoverErosionInwardsInputTest.cs	(.../GrassCoverErosionInwardsInputTest.cs)	(revision 9cad3fcafde3778a0b39a89b1758af7d8a120735)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.Data.Test/GrassCoverErosionInwardsInputTest.cs	(.../GrassCoverErosionInwardsInputTest.cs)	(revision 07f3d67fe9512b3c8303ff09398b0a234900d546)
@@ -142,11 +142,10 @@
             var input = new GrassCoverErosionInwardsInput();
 
             // Assert
-            Assert.IsInstanceOf<Observable>(input);
+            Assert.IsInstanceOf<CloneableObservable>(input);
             Assert.IsInstanceOf<ICalculationInput>(input);
             Assert.IsInstanceOf<IUseBreakWater>(input);
             Assert.IsInstanceOf<IUseForeshore>(input);
-            Assert.IsInstanceOf<ICloneable>(input);
 
             Assert.AreEqual(2, input.Orientation.NumberOfDecimalPlaces);
             Assert.AreEqual(2, input.DikeHeight.NumberOfDecimalPlaces);