Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs
===================================================================
diff -u -r12cec002453a1828efc68633fbd25219632c6c47 -r207fcf758cac8237b31af99f7f54278b32eba658
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs	(.../ClosingStructuresImporterTest.cs)	(revision 12cec002453a1828efc68633fbd25219632c6c47)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.IO.Test/ClosingStructuresImporterTest.cs	(.../ClosingStructuresImporterTest.cs)	(revision 207fcf758cac8237b31af99f7f54278b32eba658)
@@ -23,6 +23,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using Core.Common.Base;
 using Core.Common.Base.Geometry;
 using Core.Common.TestUtil;
 using NUnit.Framework;
@@ -314,6 +315,42 @@
             Assert.IsTrue(importResult);
         }
 
+        [Test]
+        public void DoPostImport_UpdateStrategyReturningObservables_AllObservablesNotified()
+        {
+            var messageProvider = mocks.Stub<IImporterMessageProvider>();
+
+            var observableA = mocks.StrictMock<IObservable>();
+            observableA.Expect(o => o.NotifyObservers());
+            var observableB = mocks.StrictMock<IObservable>();
+            observableB.Expect(o => o.NotifyObservers());
+            IObservable[] observables =
+            {
+                observableA,
+                observableB
+            };
+
+            var strategy = mocks.StrictMock<IStructureUpdateStrategy<ClosingStructure>>();
+            strategy.Expect(s => s.UpdateStructuresWithImportedData(null, null, null)).IgnoreArguments().Return(observables);
+            mocks.ReplayAll();
+
+            string filePath = Path.Combine(testDataPath, nameof(ClosingStructuresImporter), "Kunstwerken.shp");
+
+            var importTarget = new StructureCollection<ClosingStructure>();
+            ReferenceLine referenceLine = CreateReferenceLine();
+
+            var importer = new ClosingStructuresImporter(importTarget, referenceLine, filePath,
+                                                        messageProvider, strategy);
+
+            importer.Import();
+
+            // Call
+            importer.DoPostImport();
+
+            // Assert
+            // Assertions performed in TearDown
+        }
+
         private static ReferenceLine CreateReferenceLine()
         {
             var referencePoints = new List<Point2D>