Index: src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs
===================================================================
diff -u -r639 -r643
--- src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs	(.../DSoilModelProjectTest.cs)	(revision 639)
+++ src/Deltares.DSoilModel.Data.Tests/DSoilModelProjectTest.cs	(.../DSoilModelProjectTest.cs)	(revision 643)
@@ -855,7 +855,7 @@
                 }
                 var validationResults = Validator.Validate(project);
 
-                Assert.AreEqual(20, validationResults.Count(r => r.MessageType == ValidationResultType.Error));
+                Assert.AreEqual(20, validationResults.Count(r => r.MessageType == ValidationResultType.Error && r.Text.Contains("unit weight is less")));
 
                 RealTimeBackgroundValidator.ValidationResults.AddRange(validationResults);
 
@@ -865,7 +865,7 @@
                 // assert
                 validationResults = Validator.Validate(project);
 
-                Assert.AreEqual(0, validationResults.Count(r => r.MessageType == ValidationResultType.Error));
+                Assert.AreEqual(0, validationResults.Count(r => r.MessageType == ValidationResultType.Error && r.Text.Contains("unit weight is less")));
             }
             Soil.Mechanisms = oldMechanisms;
         }