Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/ConvergenceParserTest.cs
===================================================================
diff -u -rf5a99cad6b53959f6fd1c7da3136ebf1a27539e2 -r9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/ConvergenceParserTest.cs	(.../ConvergenceParserTest.cs)	(revision f5a99cad6b53959f6fd1c7da3136ebf1a27539e2)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Parsers/ConvergenceParserTest.cs	(.../ConvergenceParserTest.cs)	(revision 9cdd70c8d4ba76d93b72ef8c1b7df138fa73b0e4)
@@ -191,7 +191,7 @@
 
                 // Assert
                 var exception = Assert.Throws<HydraRingFileParserException>(call);
-                var expectedMessage = "Er kon geen resultaat gelezen worden uit de Hydra-Ring uitvoerdatabase.";
+                const string expectedMessage = "Er kon geen resultaat gelezen worden uit de Hydra-Ring uitvoerdatabase.";
                 Assert.AreEqual(expectedMessage, exception.Message);
                 Assert.IsInstanceOf<SQLiteException>(exception.InnerException);
             }