Index: src/Deltares.Geotechnics.IO.Tests/CharacteristicPointsImporterTest.cs
===================================================================
diff -u -r51 -r58
--- src/Deltares.Geotechnics.IO.Tests/CharacteristicPointsImporterTest.cs	(.../CharacteristicPointsImporterTest.cs)	(revision 51)
+++ src/Deltares.Geotechnics.IO.Tests/CharacteristicPointsImporterTest.cs	(.../CharacteristicPointsImporterTest.cs)	(revision 58)
@@ -20,24 +20,15 @@
         [Test]
         [TestCase(characteristicPointsFilename)] // Ringtoets format
         [TestCase("characteristicpointsDAM.csv")] // Dam format
-        public void ImportReturnsCorrectCharacteristicPointsWithoutReadingSurfaceLines(string fileName)
+        public void ImportRefusesCharacteristicPointsWithoutReadingSurfaceLines(string fileName)
         {
             var fullName = Path.Combine(mapTestData, fileName);
 
 
             var characteristicPointsImporter = new CharacteristicPointsImporter();
-            List<SurfaceLine2> surfaceLines = new List<SurfaceLine2>();
-            characteristicPointsImporter.Read(fullName, surfaceLines); //Import();
-            Assert.AreEqual(32, surfaceLines.Count, "Read incorrect number of surface lines in import of characteristic points");
-            var schematizedSurfaceLine = surfaceLines.FirstOrDefault(x => x.Name.Equals("dijkring10_dwp36_9"));
-            Assert.IsNotNull(schematizedSurfaceLine);
-            Assert.IsEmpty(schematizedSurfaceLine.Geometry.Points);
-            Assert.AreEqual(0.0, schematizedSurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside).X, tolerance);
-            Assert.IsNaN(schematizedSurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside).Z,
-                         "No geometry was imported, therefore no height can be set.");
-            Assert.AreEqual(100.0, schematizedSurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).X, tolerance);
-            Assert.IsNaN(schematizedSurfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).Z,
-                         "No geometry was imported, therefore no height can be set.");
+            List<SurfaceLine2> surfaceLines = new List<SurfaceLine2>();   // empty list of surfaces
+            characteristicPointsImporter.Read(fullName, surfaceLines); 
+            Assert.AreEqual(0, surfaceLines.Count, "Read incorrect number of surface lines in import of characteristic points");            
         }
 
         [Test]