Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.TestUtil/CalculatorInputAssert.cs
===================================================================
diff -u -r38b96b5fe034945cfa33600ec134e21507b40922 -r714a022526f42b64abd36e5a3320b4c294013064
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.TestUtil/CalculatorInputAssert.cs	(.../CalculatorInputAssert.cs)	(revision 38b96b5fe034945cfa33600ec134e21507b40922)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.CalculatedInput.TestUtil/CalculatorInputAssert.cs	(.../CalculatorInputAssert.cs)	(revision 714a022526f42b64abd36e5a3320b4c294013064)
@@ -111,8 +111,8 @@
 
             for (var i = 0; i < original.Length; i++)
             {
-                Assert.AreSame(original[i].OuterRing, actual[i].OuterRing);
-                Assert.AreSame(original[i].Holes, actual[i].Holes);
+                CollectionAssert.AreEqual(original[i].OuterRing, actual[i].OuterRing);
+                CollectionAssert.AreEqual(original[i].Holes, actual[i].Holes);
 
                 IMacroStabilityInwardsSoilLayerData expectedData = original[i].Data;
                 Assert.AreEqual(expectedData.MaterialName, actual[i].MaterialName);