Index: Core/Components/test/Core.Components.BruTile.TestUtil.Test/TestTileSourceFactoryTest.cs
===================================================================
diff -u -rfcf14f1da32f6de8d99c7f446ec27fbe30a6abe8 -r5d1ba8e775518ad95b38ec59c147d939bca4ee49
--- Core/Components/test/Core.Components.BruTile.TestUtil.Test/TestTileSourceFactoryTest.cs	(.../TestTileSourceFactoryTest.cs)	(revision fcf14f1da32f6de8d99c7f446ec27fbe30a6abe8)
+++ Core/Components/test/Core.Components.BruTile.TestUtil.Test/TestTileSourceFactoryTest.cs	(.../TestTileSourceFactoryTest.cs)	(revision 5d1ba8e775518ad95b38ec59c147d939bca4ee49)
@@ -100,6 +100,21 @@
         }
 
         [Test]
+        public void GetWellKnownTileSources_NotInitialized_ThrowsNotSupportedException()
+        {
+            // Setup
+            WmtsMapData mapData = WmtsMapData.CreateUnconnectedMapData();
+            var factory = new TestTileSourceFactory(mapData);
+
+            // Call
+            TestDelegate test = () => factory.GetKnownTileSources(KnownTileSource.BingHybrid);
+
+            // Assert
+            string message = Assert.Throws<NotSupportedException>(test).Message;
+            Assert.AreEqual("use TestTileSourceFactory() to set the expected well known tile source", message);
+        }
+
+        [Test]
         public void GetWellKnownTileSources_FromConfiguredWellKnownTileSourceMapData_ReturnTileSource()
         {
             // Setup
Index: Core/Components/test/Core.Components.BruTile.TestUtil/TestTileSourceFactory.cs
===================================================================
diff -u -rfcf14f1da32f6de8d99c7f446ec27fbe30a6abe8 -r5d1ba8e775518ad95b38ec59c147d939bca4ee49
--- Core/Components/test/Core.Components.BruTile.TestUtil/TestTileSourceFactory.cs	(.../TestTileSourceFactory.cs)	(revision fcf14f1da32f6de8d99c7f446ec27fbe30a6abe8)
+++ Core/Components/test/Core.Components.BruTile.TestUtil/TestTileSourceFactory.cs	(.../TestTileSourceFactory.cs)	(revision 5d1ba8e775518ad95b38ec59c147d939bca4ee49)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.Collections.Generic;
 using BruTile;
 using BruTile.Predefined;
@@ -70,6 +71,10 @@
 
         public ITileSource GetKnownTileSources(KnownTileSource knownTileSource)
         {
+            if (wellKnownTileSource == null)
+            {
+                throw new NotSupportedException("use TestTileSourceFactory() to set the expected well known tile source");
+            }
             return wellKnownTileSource;
         }
     }
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/BackgroundDataTestDataGeneratorTest.cs
===================================================================
diff -u -r26af58f85567c97bc68cc744a25334c2bd0b0fca -r5d1ba8e775518ad95b38ec59c147d939bca4ee49
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/BackgroundDataTestDataGeneratorTest.cs	(.../BackgroundDataTestDataGeneratorTest.cs)	(revision 26af58f85567c97bc68cc744a25334c2bd0b0fca)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil.Test/BackgroundDataTestDataGeneratorTest.cs	(.../BackgroundDataTestDataGeneratorTest.cs)	(revision 5d1ba8e775518ad95b38ec59c147d939bca4ee49)
@@ -75,7 +75,7 @@
 
             // Assert
             Assert.AreEqual(BackgroundMapDataType.WellKnown, backgroundData.BackgroundMapDataType);
-            Assert.AreEqual("BingAerial", backgroundData.Name);
+            Assert.AreEqual("Bing Maps - Satelliet", backgroundData.Name);
             Assert.IsTrue(backgroundData.IsConfigured);
             Assert.IsTrue(backgroundData.IsVisible);
             Assert.AreEqual(0, backgroundData.Transparency.Value);
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj
===================================================================
diff -u -r650ed7277d1de02c544ed73e34ea7bd997d320fc -r5d1ba8e775518ad95b38ec59c147d939bca4ee49
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision 650ed7277d1de02c544ed73e34ea7bd997d320fc)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Ringtoets.Common.Forms.Test.csproj	(.../Ringtoets.Common.Forms.Test.csproj)	(revision 5d1ba8e775518ad95b38ec59c147d939bca4ee49)
@@ -39,6 +39,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="BruTile, Version=0.19.0.0, Culture=neutral, PublicKeyToken=null" />
     <Reference Include="nunit.framework, Version=3.6.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\..\..\..\packages\NUnit.3.6.0\lib\net40\nunit.framework.dll</HintPath>
       <Private>True</Private>
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/RingtoetsMapControlTest.cs
===================================================================
diff -u -r26af58f85567c97bc68cc744a25334c2bd0b0fca -r5d1ba8e775518ad95b38ec59c147d939bca4ee49
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/RingtoetsMapControlTest.cs	(.../RingtoetsMapControlTest.cs)	(revision 26af58f85567c97bc68cc744a25334c2bd0b0fca)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/RingtoetsMapControlTest.cs	(.../RingtoetsMapControlTest.cs)	(revision 5d1ba8e775518ad95b38ec59c147d939bca4ee49)
@@ -19,11 +19,14 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using System.Collections.Generic;
+using System.Linq;
+using BruTile;
+using BruTile.Predefined;
 using Core.Common.Base;
 using Core.Common.Base.Data;
 using Core.Common.Gui.TestUtil.Settings;
+using Core.Components.BruTile.Configurations;
 using Core.Components.BruTile.TestUtil;
 using Core.Components.DotSpatial.Forms;
 using Core.Components.Gis.Data;
@@ -38,6 +41,20 @@
     [TestFixture]
     public class RingtoetsMapControlTest
     {
+        private static IEnumerable<TestCaseData> BackgroundTypes
+        {
+            get
+            {
+                yield return new TestCaseData(BackgroundDataTestDataGenerator.GetWellKnownBackgroundMapData(),
+                                              BackgroundDataTestDataGenerator.GetWmtsBackgroundMapData(WmtsMapData.CreateDefaultPdokMapData()))
+                    .SetName("WellKnownToWmts");
+
+                yield return new TestCaseData(BackgroundDataTestDataGenerator.GetWmtsBackgroundMapData(WmtsMapData.CreateDefaultPdokMapData()),
+                                              BackgroundDataTestDataGenerator.GetWellKnownBackgroundMapData())
+                    .SetName("WmtsToWellKnown");
+            }
+        }
+
         [Test]
         public void Constructor_ExpectedValues()
         {
@@ -106,10 +123,25 @@
             // Given
             var mocks = new MockRepository();
             var observer = mocks.StrictMock<IObserver>();
+            var tileSourceFactory = mocks.StrictMock<ITileSourceFactory>();
+
+            var testWellKnownTileSource = new TestWellKnownTileSource(new WellKnownTileSourceMapData(WellKnownTileSource.BingAerial));
+            if (originalBackgroundData.BackgroundMapDataType == BackgroundMapDataType.WellKnown && newBackgroundData.BackgroundMapDataType == BackgroundMapDataType.Wmts)
+            {
+                tileSourceFactory.Expect(tsf => tsf.GetKnownTileSources(KnownTileSource.BingAerial)).Return(testWellKnownTileSource);
+                tileSourceFactory.Expect(tsf => tsf.GetWmtsTileSources(newBackgroundData.Parameters[BackgroundDataIdentifiers.SourceCapabilitiesUrl]))
+                                 .Return(Enumerable.Empty<ITileSource>());
+            }
+            else if (originalBackgroundData.BackgroundMapDataType == BackgroundMapDataType.Wmts && newBackgroundData.BackgroundMapDataType == BackgroundMapDataType.WellKnown)
+            {
+                tileSourceFactory.Expect(tsf => tsf.GetWmtsTileSources(originalBackgroundData.Parameters[BackgroundDataIdentifiers.SourceCapabilitiesUrl]))
+                                 .Return(Enumerable.Empty<ITileSource>());
+                tileSourceFactory.Expect(tsf => tsf.GetKnownTileSources(KnownTileSource.BingAerial)).Return(testWellKnownTileSource);
+            }
             mocks.ReplayAll();
 
             using (new UseCustomSettingsHelper(new TestSettingsHelper()))
-            using (new UseCustomTileSourceFactoryConfig(WmtsMapData.CreateDefaultPdokMapData()))
+            using (new UseCustomTileSourceFactoryConfig(tileSourceFactory))
             {
                 var control = new RingtoetsMapControl
                 {
@@ -175,19 +207,5 @@
                 mocks.VerifyAll();
             }
         }
-
-        private static IEnumerable<TestCaseData> BackgroundTypes
-        {
-            get
-            {
-                yield return new TestCaseData(BackgroundDataTestDataGenerator.GetWellKnownBackgroundMapData(),
-                                              BackgroundDataTestDataGenerator.GetWmtsBackgroundMapData(WmtsMapData.CreateDefaultPdokMapData()))
-                    .SetName("WellKnownToWmts");
-
-                yield return new TestCaseData(BackgroundDataTestDataGenerator.GetWmtsBackgroundMapData(WmtsMapData.CreateDefaultPdokMapData()),
-                                              BackgroundDataTestDataGenerator.GetWellKnownBackgroundMapData())
-                    .SetName("WmtsToWellKnown");
-            }
-        }
     }
 }
\ No newline at end of file