Index: DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs
===================================================================
diff -u -r1974 -r1977
--- DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 1974)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 1977)
@@ -204,6 +204,7 @@
         [TestCase(FailureMechanismSystemType.StabilityOutside, 1)]
         [TestCase(FailureMechanismSystemType.Piping, 2)]
         [TestCase(FailureMechanismSystemType.HorizontalBalance, 3)]
+        [TestCase(FailureMechanismSystemType.WtiStabilityInside, 4)]
         public void CanConvertToInputFailureMechanismSystemType(FailureMechanismSystemType failureMechanismSystemType, int inputFailureMechanismSystemType)
         {
             Assert.AreEqual(inputFailureMechanismSystemType, ConversionHelper.ConvertToInputFailureMechanismSystemType(failureMechanismSystemType));
@@ -214,6 +215,7 @@
         [TestCase(1, FailureMechanismSystemType.StabilityOutside)]
         [TestCase(2, FailureMechanismSystemType.Piping)]
         [TestCase(3, FailureMechanismSystemType.HorizontalBalance)]
+        [TestCase(4, FailureMechanismSystemType.WtiStabilityInside)]
         public void CanConvertToFailureMechanismSystemType(int inputFailureMechanismSystemType, FailureMechanismSystemType failureMechanismSystemType)
         {
             Assert.AreEqual(failureMechanismSystemType, ConversionHelper.ConvertToFailureMechanismSystemType(inputFailureMechanismSystemType));