Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs
===================================================================
diff -u -r006d96ecb9e7d838d7682912270c7d43e0ad67e1 -rce31448a066c084f755439f3e7d453bfb042b291
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs	(.../GeneralHeightStructuresInputTest.cs)	(revision 006d96ecb9e7d838d7682912270c7d43e0ad67e1)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/GeneralHeightStructuresInputTest.cs	(.../GeneralHeightStructuresInputTest.cs)	(revision ce31448a066c084f755439f3e7d453bfb042b291)
@@ -89,7 +89,8 @@
             TestDelegate test = () => generalHeightStructuresInput.N = value;
 
             // Assert
-            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(test, Resources.N_Value_should_be_in_interval_1_20);
+            var expectedMessage = Resources.N_Value_should_be_in_interval_1_20;
+            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentOutOfRangeException>(test, expectedMessage);
         }
     }
 }
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