Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs
===================================================================
diff -u -r396f21603d742cdfb0e92817e5fd0b4df1e9f851 -r3691ac3728727f60bd1ec856b62d92db52a44c6c
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs	(.../ClosingStructuresImporterTest.cs)	(revision 396f21603d742cdfb0e92817e5fd0b4df1e9f851)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs	(.../ClosingStructuresImporterTest.cs)	(revision 3691ac3728727f60bd1ec856b62d92db52a44c6c)
@@ -67,7 +67,8 @@
             };
             ReferenceLine referenceLine = new ReferenceLine();
             referenceLine.SetGeometry(referencePoints);
-            var structuresImporter = new ClosingStructuresImporter(new ObservableList<ClosingStructure>(), referenceLine, filePath);
+            var importTarget = new ObservableList<ClosingStructure>();
+            var structuresImporter = new ClosingStructuresImporter(importTarget, referenceLine, filePath);
 
             // Call
             bool importResult = false;
@@ -88,6 +89,7 @@
             };
             TestHelper.AssertLogMessagesAreGenerated(call, expectedMessages);
             Assert.IsTrue(importResult);
+            Assert.AreEqual(1, importTarget.Count);
         }
 
         [Test]
@@ -108,7 +110,8 @@
             };
             ReferenceLine referenceLine = new ReferenceLine();
             referenceLine.SetGeometry(referencePoints);
-            var structuresImporter = new ClosingStructuresImporter(new ObservableList<ClosingStructure>(), referenceLine, filePath);
+            var importTarget = new ObservableList<ClosingStructure>();
+            var structuresImporter = new ClosingStructuresImporter(importTarget, referenceLine, filePath);
 
             // Call
             bool importResult = false;
@@ -133,6 +136,7 @@
             };
             TestHelper.AssertLogMessagesAreGenerated(call, expectedMessages);
             Assert.IsTrue(importResult);
+            Assert.AreEqual(0, importTarget.Count);
         }
     }
 }
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