Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/GrassCoverErosionInwards/DikeHeightOutputCreateExtensionsTest.cs
===================================================================
diff -u -r82c8dcdc0f254596b25e1e201a07c29500e9cab9 -ra096cb901099c85dbaafa2dba6c69288464c248e
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/GrassCoverErosionInwards/DikeHeightOutputCreateExtensionsTest.cs	(.../DikeHeightOutputCreateExtensionsTest.cs)	(revision 82c8dcdc0f254596b25e1e201a07c29500e9cab9)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/GrassCoverErosionInwards/DikeHeightOutputCreateExtensionsTest.cs	(.../DikeHeightOutputCreateExtensionsTest.cs)	(revision a096cb901099c85dbaafa2dba6c69288464c248e)
@@ -38,11 +38,8 @@
         [Test]
         public void Create_OutputNull_ThrowArgumentNullException()
         {
-            // Setup
-            DikeHeightOutput output = null;
-
             // Call
-            TestDelegate test = () => output.Create();
+            TestDelegate test = () => ((DikeHeightOutput) null).Create();
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(test);