Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/ImportInfos/RingtoetsPipingSurfaceLinesContextImportInfoTest.cs
===================================================================
diff -u -rfa6cecfc366e4f2d5e08836e278f31cd3c430f18 -r07d5be33d21f07a72ac836b16e9639e7118c8af6
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/ImportInfos/RingtoetsPipingSurfaceLinesContextImportInfoTest.cs	(.../RingtoetsPipingSurfaceLinesContextImportInfoTest.cs)	(revision fa6cecfc366e4f2d5e08836e278f31cd3c430f18)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/ImportInfos/RingtoetsPipingSurfaceLinesContextImportInfoTest.cs	(.../RingtoetsPipingSurfaceLinesContextImportInfoTest.cs)	(revision 07d5be33d21f07a72ac836b16e9639e7118c8af6)
@@ -94,7 +94,6 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.ReferenceLine = null;
             mocks.ReplayAll();
 
             var failureMechanism = new PipingFailureMechanism();
@@ -116,9 +115,10 @@
             // Setup
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
-            assessmentSection.ReferenceLine = new ReferenceLine();
             mocks.ReplayAll();
 
+            assessmentSection.ReferenceLine = new ReferenceLine();
+
             var failureMechanism = new PipingFailureMechanism();
             var surfaceLines = new RingtoetsPipingSurfaceLineCollection();