Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs
===================================================================
diff -u -r31012b85637f7fcf6b28f498fc996edcda2eb505 -rb519fc798c63691f04bb8008b562a94ed9232d51
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs	(.../ClosingStructuresFailureMechanismViewTest.cs)	(revision 31012b85637f7fcf6b28f498fc996edcda2eb505)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/Views/ClosingStructuresFailureMechanismViewTest.cs	(.../ClosingStructuresFailureMechanismViewTest.cs)	(revision b519fc798c63691f04bb8008b562a94ed9232d51)
@@ -39,6 +39,7 @@
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.Common.Forms.TestUtil;
+using Ringtoets.Common.Forms.Views;
 
 namespace Ringtoets.ClosingStructures.Forms.Test.Views
 {
@@ -116,7 +117,8 @@
                 view.Data = failureMechanismContext;
 
                 // Assert
-                Assert.AreSame(assessmentSection.BackgroundMapData, view.Map.BackgroundMapData);
+                WmtsMapData expectedWmtsBackgroundMapData = RingtoetsBackgroundMapDataFactory.CreateBackgroundMapData(assessmentSection.BackgroundMapData2);
+                MapDataTestHelper.AssertWmtsMapData(expectedWmtsBackgroundMapData, view.Map.BackgroundMapData);
             }
         }
 
@@ -181,6 +183,9 @@
                 // Assert
                 Assert.AreSame(failureMechanismContext, view.Data);
                 AssertEmptyMapData(view.Map.Data);
+                WmtsMapData expectedWmtsBackgroundMapData = RingtoetsBackgroundMapDataFactory.CreateBackgroundMapData(
+                    assessmentSection.BackgroundMapData2);
+                MapDataTestHelper.AssertWmtsMapData(expectedWmtsBackgroundMapData, view.Map.BackgroundMapData);
             }
         }
 
@@ -421,6 +426,32 @@
         }
 
         [Test]
+        public void GivenChangedBackgroundMapData_WhenBackgroundMapDataObserversNotified_MapDataUpdated()
+        {
+            // Given
+            using (var view = new ClosingStructuresFailureMechanismView())
+            {
+                var assessmentSection = new ObservableTestAssessmentSectionStub();
+                view.Data = new ClosingStructuresFailureMechanismContext(new ClosingStructuresFailureMechanism(), assessmentSection);
+
+                BackgroundMapData backgroundMapData = assessmentSection.BackgroundMapData2;
+
+                backgroundMapData.Name = "some Name";
+                backgroundMapData.Parameters["SourceCapabilitiesUrl"] = "some URL";
+                backgroundMapData.Parameters["SelectedCapabilityIdentifier"] = "some Identifier";
+                backgroundMapData.Parameters["PreferredFormat"] = "image/some Format";
+                backgroundMapData.IsConfigured = true;
+
+                // When
+                backgroundMapData.NotifyObservers();
+
+                // Then
+                WmtsMapData expectedWmtsBackgroundMapData = RingtoetsBackgroundMapDataFactory.CreateBackgroundMapData(backgroundMapData);
+                MapDataTestHelper.AssertWmtsMapData(expectedWmtsBackgroundMapData, view.Map.BackgroundMapData);
+            }
+        }
+
+        [Test]
         public void UpdateObserver_ReferenceLineUpdated_MapDataUpdated()
         {
             // Setup