Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.TestUtil.Test/TestPipingFailureMechanismTest.cs
===================================================================
diff -u -r3239ee53997bb2ab3ca97266f6a5f83868049535 -rbdc32ff91af686a45b08e5f4f4a8d5b45eaba60f
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.TestUtil.Test/TestPipingFailureMechanismTest.cs	(.../TestPipingFailureMechanismTest.cs)	(revision 3239ee53997bb2ab3ca97266f6a5f83868049535)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.TestUtil.Test/TestPipingFailureMechanismTest.cs	(.../TestPipingFailureMechanismTest.cs)	(revision bdc32ff91af686a45b08e5f4f4a8d5b45eaba60f)
@@ -39,6 +39,7 @@
             var failureMechanism = new TestPipingFailureMechanism();
 
             // Assert
+            Assert.IsInstanceOf<PipingFailureMechanism>(failureMechanism);
             Assert.AreEqual(24, failureMechanism.Contribution);
         }