Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsWaterStressLinesPropertiesTest.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -ra2d856fc0440ec50ccb651fa9f2ca3c000f1f3d2
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsWaterStressLinesPropertiesTest.cs	(.../MacroStabilityInwardsWaterStressLinesPropertiesTest.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Forms.Test/PropertyClasses/MacroStabilityInwardsWaterStressLinesPropertiesTest.cs	(.../MacroStabilityInwardsWaterStressLinesPropertiesTest.cs)	(revision a2d856fc0440ec50ccb651fa9f2ca3c000f1f3d2)
@@ -21,6 +21,7 @@
 
 using System;
 using System.ComponentModel;
+using Core.Common.Base.Data;
 using Core.Common.Gui.PropertyBag;
 using Core.Common.TestUtil;
 using NUnit.Framework;
@@ -36,21 +37,35 @@
         public void Constructor_DataNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate test = () => new MacroStabilityInwardsWaterStressLinesProperties(null);
+            TestDelegate test = () => new MacroStabilityInwardsWaterStressLinesProperties(null, GetTestNormativeAssessmentLevel);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(test);
             Assert.AreEqual("data", exception.ParamName);
         }
 
         [Test]
+        public void Constructor_GetNormativeAssessmentLevelFuncNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var input = new MacroStabilityInwardsInput(new MacroStabilityInwardsInput.ConstructionProperties());
+
+            // Call
+            TestDelegate test = () => new MacroStabilityInwardsWaterStressLinesProperties(input, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("getNormativeAssessmentLevelFunc", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_ValidWaternet_ExpectedValues()
         {
             // Setup
             var input = new MacroStabilityInwardsInput(new MacroStabilityInwardsInput.ConstructionProperties());
 
             // Call
-            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input);
+            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input, GetTestNormativeAssessmentLevel);
 
             // Assert
             Assert.IsInstanceOf<ObjectProperties<MacroStabilityInwardsInput>>(properties);
@@ -68,7 +83,7 @@
             var input = new MacroStabilityInwardsInput(new MacroStabilityInwardsInput.ConstructionProperties());
 
             // Call
-            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input);
+            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input, GetTestNormativeAssessmentLevel);
 
             // Assert
             CollectionAssert.IsEmpty(properties.WaternetExtreme.PhreaticLines);
@@ -82,7 +97,7 @@
         {
             // Setup
             var input = new MacroStabilityInwardsInput(new MacroStabilityInwardsInput.ConstructionProperties());
-            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input);
+            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input, GetTestNormativeAssessmentLevel);
 
             // Call
             string name = properties.ToString();
@@ -98,7 +113,7 @@
             var input = new MacroStabilityInwardsInput(new MacroStabilityInwardsInput.ConstructionProperties());
 
             // Call
-            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input);
+            var properties = new MacroStabilityInwardsWaterStressLinesProperties(input, GetTestNormativeAssessmentLevel);
 
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
@@ -121,5 +136,10 @@
                                                                             "Eigenschappen van de waterspanningslijnen bij dagelijkse omstandigheden.",
                                                                             true);
         }
+
+        private static RoundedDouble GetTestNormativeAssessmentLevel()
+        {
+            return (RoundedDouble) 1.1;
+        }
     }
 }
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