Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismViewTest.cs
===================================================================
diff -u -r7bddae850fd9e39813c1dc004bb65d7566bda73d -r66c08be4d2f3add52e3bec18c724b211bcc4a4df
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismViewTest.cs	(.../PipingFailureMechanismViewTest.cs)	(revision 7bddae850fd9e39813c1dc004bb65d7566bda73d)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingFailureMechanismViewTest.cs	(.../PipingFailureMechanismViewTest.cs)	(revision 66c08be4d2f3add52e3bec18c724b211bcc4a4df)
@@ -105,7 +105,7 @@
                 Assert.IsInstanceOf<RingtoetsMapControl>(view.Controls[0]);
                 Assert.AreSame(view.Map, ((RingtoetsMapControl) view.Controls[0]).MapControl);
                 Assert.AreEqual(DockStyle.Fill, ((Control) view.Map).Dock);
-                Assert.IsNull(view.Map.Data);
+                AssertEmptyMapData(view.Map.Data);
             }
         }