Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs
===================================================================
diff -u -r81d8dd959582853cd8dae4f4307592d5377bd60b -r974fb1eadbd8a630c7a992648ad42ac85ec205b1
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision 81d8dd959582853cd8dae4f4307592d5377bd60b)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision 974fb1eadbd8a630c7a992648ad42ac85ec205b1)
@@ -144,6 +144,7 @@
         #region Hydraulic data
 
         [Test]
+        [SetCulture("nl-NL")]
         [TestCase(400)]
         [TestCase(360.05)]
         [TestCase(-360.005)]
@@ -159,7 +160,7 @@
             TestDelegate call = () => input.DeviationWaveDirection = (RoundedDouble) invalidValue;
 
             // Assert
-            const string expectedMessage = "De waarde voor de afwijking van de golfrichting moet in het bereik [-360, 360] liggen.";
+            const string expectedMessage = "De waarde voor de afwijking van de golfrichting moet in het bereik [-360,00, 360,00] liggen.";
             TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(call, expectedMessage);
         }