Index: src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs
===================================================================
diff -u -r474 -r571
--- src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 474)
+++ src/Deltares.DSoilModel.Data.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 571)
@@ -38,8 +38,8 @@
             Directory.Delete("TempFiles", true);
         }
 
-        [TestCase("Groot Salland.mdb", 65, 5, 1, 3, 2)]
-        [TestCase("Groot Salland.gdb", 65, 5, 1, 3, 2)]
+        [TestCase("Groot Salland.mdb", 66, 5, 1, 3, 2)]
+        [TestCase("Groot Salland.gdb", 66, 5, 1, 3, 2)]
         [TestCase("FileNotFound", 0, 0, 0, 0, 0)]
         public void TestAddOldProjectDataBaseToProject(string fileName, int soils, int profiles1D, int profiles2D, int cpts, int borings)
         {
@@ -49,6 +49,7 @@
             DSoilModelIO.AddOldProjectDataBaseToProject(filePath, project);
             if (File.Exists(filePath))
             {
+                // Number of soils is original 65, but after reading borings the number will be 66 because a material "Onbepaald" is added
                 Assert.AreEqual(soils, project.Soils.Soils.Count);
                 Assert.AreEqual(profiles1D, project.SoilProfiles1D.Count);
                 Assert.AreEqual(profiles2D, project.SoilProfiles2D.Count);