Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/AssemblyInfo.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -rc2866a9d5e5990afc0f141fe2616c3c43d9ab1f9
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/AssemblyInfo.cs	(.../AssemblyInfo.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Properties/AssemblyInfo.cs	(.../AssemblyInfo.cs)	(revision c2866a9d5e5990afc0f141fe2616c3c43d9ab1f9)
@@ -20,8 +20,10 @@
 // All rights reserved.
 
 using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("Ringtoets.Common.Forms")]
 [assembly: AssemblyProduct("Ringtoets.Common.Forms")]
-[assembly: Guid("74e2898d-5b63-4363-9a2c-3ed3c63ae489")]
\ No newline at end of file
+[assembly: Guid("74e2898d-5b63-4363-9a2c-3ed3c63ae489")]
+[assembly: InternalsVisibleTo("Ringtoets.Common.Forms.Test")]
\ No newline at end of file