Index: Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs
===================================================================
diff -u -r4c3a976a966e23d0484ee67c58a4c855f1f4891b -rd2d96421974b56eb204dd8f756748aa582da0874
--- Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs	(.../MapDataTestHelperTest.cs)	(revision 4c3a976a966e23d0484ee67c58a4c855f1f4891b)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.TestUtil.Test/MapDataTestHelperTest.cs	(.../MapDataTestHelperTest.cs)	(revision d2d96421974b56eb204dd8f756748aa582da0874)
@@ -1139,7 +1139,7 @@
         }
 
         #endregion
-        
+
         #region AssertImageBasedMapData
 
         [Test]
@@ -1149,7 +1149,7 @@
             var mapData = new MapPointData("MapPointData");
 
             // Call
-            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData((ImageBasedMapData) WmtsMapData.CreateUnconnectedMapData(),
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(WmtsMapData.CreateUnconnectedMapData(),
                                                                                 mapData);
 
             // Assert
@@ -1177,7 +1177,7 @@
             var mapData = new MapPointData("MapPointData");
 
             // Call
-            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData((ImageBasedMapData) null, mapData);
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(null, mapData);
 
             // Assert
             Assert.Throws<AssertionException>(test);
@@ -1187,7 +1187,7 @@
         public void AssertImageBasedMapData_DataNull_ThrowAssertionException()
         {
             // Call
-            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData((ImageBasedMapData) WmtsMapData.CreateUnconnectedMapData(),
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(WmtsMapData.CreateUnconnectedMapData(),
                                                                                 null);
 
             // Assert
@@ -1202,7 +1202,7 @@
             var mapData = WmtsMapData.CreateDefaultPdokMapData();
 
             // Call
-            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData((ImageBasedMapData) wmtsMapData, mapData);
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(wmtsMapData, mapData);
 
             // Assert
             Assert.Throws<AssertionException>(test);
@@ -1222,6 +1222,34 @@
             Assert.Throws<AssertionException>(test);
         }
 
+        [Test]
+        public void AssertImageBasedMapData_WellKnownDataCorrect_DoesNotThrow()
+        {
+            // Setup
+            var expectedMapData = new WellKnownTileSourceMapData(WellKnownTileSource.BingAerial);
+            var actualMapData = new WellKnownTileSourceMapData(WellKnownTileSource.BingAerial);
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(expectedMapData, actualMapData);
+
+            // Assert
+            Assert.DoesNotThrow(test);
+        }
+
+        [Test]
+        public void AssertImageBasedMapData_WmtsDataCorrect_DoesNotThrow()
+        {
+            // Setup
+            var expectedMapData = WmtsMapData.CreateUnconnectedMapData();
+            var actualMapData = WmtsMapData.CreateUnconnectedMapData();
+
+            // Call
+            TestDelegate test = () => MapDataTestHelper.AssertImageBasedMapData(expectedMapData, actualMapData);
+
+            // Assert
+            Assert.DoesNotThrow(test);
+        }
+
         private class SimpleImageBasedMapData : ImageBasedMapData
         {
             public SimpleImageBasedMapData() : base("name") {}