Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs
===================================================================
diff -u -r4624 -r4627
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs	(.../DesignCalculatorTests.cs)	(revision 4624)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/DesignCalculatorTests.cs	(.../DesignCalculatorTests.cs)	(revision 4627)
@@ -82,8 +82,7 @@
 
         // As the data is not entirely correct for the new kernel, we expect 1 error.
         Assert.That(output.Results.CalculationMessages.Length, Is.EqualTo(1));
-        Assert.IsTrue(output.Results.CalculationMessages[0].Message1.Contains(
-                          "De berekening is mislukt met de volgende foutmelding"), output.Results.CalculationMessages[0].Message1);
+        Assert.That(output.Results.CalculationMessages[0].Message1, Does.Contain("De berekening is mislukt met de volgende foutmelding"), output.Results.CalculationMessages[0].Message1);
     }
 
     [Test]
@@ -99,6 +98,6 @@
 
         // We get 606 warnings in total when using the official release of the macro stability kernel. When we use the latest trunk version, we get 619 errors
         // So as long as the latest version is not (yet) released we have to check both values because otherwise it will either fail locally or on TC.
-        Assert.IsTrue(606 == output.Results.CalculationMessages.Length || 619 == output.Results.CalculationMessages.Length, "Number of messages found = " + output.Results.CalculationMessages.Length);
+        Assert.That(output.Results.CalculationMessages.Length, Is.EqualTo(606).Or.EqualTo(619), "Number of messages found = " + output.Results.CalculationMessages.Length);
     }
 }
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