Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs
===================================================================
diff -u -rd16d146d545cf86ad58c5e2c73cb5bc1b784ce67 -rfe90a6d174a01975381e6cda55ed1f7f4e831a51
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs	(.../IllustrationPointNodeTest.cs)	(revision d16d146d545cf86ad58c5e2c73cb5bc1b784ce67)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/IllustrationPoints/IllustrationPointNodeTest.cs	(.../IllustrationPointNodeTest.cs)	(revision fe90a6d174a01975381e6cda55ed1f7f4e831a51)
@@ -54,7 +54,7 @@
 
             // Assert
             Assert.AreSame(data, treeNode.Data);
-            Assert.IsEmpty(treeNode.Children);
+            CollectionAssert.IsEmpty(treeNode.Children);
         }
 
         [Test]