Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/AssessmentSectionTestHelperTest.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r9e4ea78a7073d17196f09f6edebc35ed7ce69348
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/AssessmentSectionTestHelperTest.cs	(.../AssessmentSectionTestHelperTest.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/AssessmentSectionTestHelperTest.cs	(.../AssessmentSectionTestHelperTest.cs)	(revision 9e4ea78a7073d17196f09f6edebc35ed7ce69348)
@@ -55,6 +55,7 @@
             Assert.IsFalse(hydraulicBoundaryDatabase.CanUsePreprocessor);
             Assert.IsFalse(hydraulicBoundaryDatabase.UsePreprocessor);
             Assert.IsNull(hydraulicBoundaryDatabase.PreprocessorDirectory);
+            Assert.IsNotNull(assessmentSection.ReferenceLine);
 
             mocks.VerifyAll();
         }
@@ -86,6 +87,7 @@
             Assert.IsFalse(hydraulicBoundaryDatabase.CanUsePreprocessor);
             Assert.IsFalse(hydraulicBoundaryDatabase.UsePreprocessor);
             Assert.IsNull(hydraulicBoundaryDatabase.PreprocessorDirectory);
+            Assert.IsNotNull(assessmentSection.ReferenceLine);
 
             CollectionAssert.AreEqual(new[]
             {
@@ -128,6 +130,7 @@
             Assert.IsFalse(hydraulicBoundaryDatabase.CanUsePreprocessor);
             Assert.IsFalse(hydraulicBoundaryDatabase.UsePreprocessor);
             Assert.IsNull(hydraulicBoundaryDatabase.PreprocessorDirectory);
+            Assert.IsNotNull(assessmentSection.ReferenceLine);
 
             CollectionAssert.AreEqual(new[]
             {
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/AssessmentSectionTestHelper.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -r9e4ea78a7073d17196f09f6edebc35ed7ce69348
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/AssessmentSectionTestHelper.cs	(.../AssessmentSectionTestHelper.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/AssessmentSectionTestHelper.cs	(.../AssessmentSectionTestHelper.cs)	(revision 9e4ea78a7073d17196f09f6edebc35ed7ce69348)
@@ -49,7 +49,10 @@
         {
             var assessmentSection = mockRepository.Stub<IAssessmentSection>();
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(new HydraulicBoundaryDatabase());
+            assessmentSection.Replay();
 
+            assessmentSection.ReferenceLine = new ReferenceLine();
+
             return assessmentSection;
         }
 
@@ -74,9 +77,10 @@
                                                                                                                 1.0 / 30000));
             assessmentSection.Stub(a => a.GetFailureMechanisms()).Return(failureMechanisms);
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(GetHydraulicBoundaryDatabase(filePath));
-
             assessmentSection.Replay();
 
+            assessmentSection.ReferenceLine = new ReferenceLine();
+
             return assessmentSection;
         }