Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/IllustrationPointsControlTest.cs
===================================================================
diff -u -r8ba742d2139563c9571e32f074c7c4b3077f45ee -r25c883f721fff09f5fbd3ec5c6cc280e17fe1343
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/IllustrationPointsControlTest.cs	(.../IllustrationPointsControlTest.cs)	(revision 8ba742d2139563c9571e32f074c7c4b3077f45ee)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Views/IllustrationPointsControlTest.cs	(.../IllustrationPointsControlTest.cs)	(revision 25c883f721fff09f5fbd3ec5c6cc280e17fe1343)
@@ -57,19 +57,26 @@
         public void Data_ValueSet_DataSetToIllustrationPointsChartControl()
         {
             // Setup
-            var data = new TestGeneralResultSubMechanismIllustrationPoint();
-            var control = new IllustrationPointsControl();
-            
-            var chartControl = (IllustrationPointsChartControl) control.Controls.Find("IllustrationPointsChartControl", true).Single();
-            var tableControl = (IllustrationPointsTableControl) control.Controls.Find("IllustrationPointsTableControl", true).Single();
+            using (var form = new Form())
+            {
+                var control = new IllustrationPointsControl();
 
-            // Call
-            control.Data = data;
+                form.Controls.Add(control);
+                form.Show();
 
-            // Assert
-            Assert.AreSame(data, control.Data);
-            Assert.AreSame(data, chartControl.Data);
-            Assert.AreSame(data, tableControl.Data);
+                var chartControl = (IllustrationPointsChartControl) control.Controls.Find("IllustrationPointsChartControl", true).Single();
+                var tableControl = (IllustrationPointsTableControl) control.Controls.Find("IllustrationPointsTableControl", true).Single();
+
+                var data = new TestGeneralResultSubMechanismIllustrationPoint();
+
+                // Call
+                control.Data = data;
+
+                // Assert
+                Assert.AreSame(data, control.Data);
+                Assert.AreSame(data, chartControl.Data);
+                Assert.AreSame(data, tableControl.Data);
+            }
         }
     }
 }
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