Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneErosionFailureMechanismPropertiesTest.cs
===================================================================
diff -u -r6ac1d016e76120e778964de3ad7e2c0d6c837669 -r65ce8c5ab171b234e33e2291998c9d89276db896
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneErosionFailureMechanismPropertiesTest.cs	(.../DuneErosionFailureMechanismPropertiesTest.cs)	(revision 6ac1d016e76120e778964de3ad7e2c0d6c837669)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Forms.Test/PropertyClasses/DuneErosionFailureMechanismPropertiesTest.cs	(.../DuneErosionFailureMechanismPropertiesTest.cs)	(revision 65ce8c5ab171b234e33e2291998c9d89276db896)
@@ -227,6 +227,7 @@
         }
 
         [Test]
+        [SetCulture("nl-NL")]
         [TestCase(0.0)]
         [TestCase(-1.0)]
         [TestCase(-20.0)]
@@ -252,7 +253,8 @@
             TestDelegate test = () => properties.N = (RoundedDouble) newN;
 
             // Assert
-            Assert.Throws<ArgumentOutOfRangeException>(test);
+            const string expectedMessage = "De waarde voor 'N' moet in het bereik [1,00, 20,00] liggen.";
+            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(test, expectedMessage);
             Assert.IsTrue(changeHandler.Called);
             mockRepository.VerifyAll();
         }