Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Placeholders/FailureMechanismPlaceholderTest.cs
===================================================================
diff -u -rbe35a7226351969e98f08dec755809139ce5f081 -r75aa4fefacf584d5172dc3bdffd348b0aacb05a4
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Placeholders/FailureMechanismPlaceholderTest.cs	(.../FailureMechanismPlaceholderTest.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/Placeholders/FailureMechanismPlaceholderTest.cs	(.../FailureMechanismPlaceholderTest.cs)	(revision 75aa4fefacf584d5172dc3bdffd348b0aacb05a4)
@@ -1,4 +1,5 @@
-using NUnit.Framework;
+using System;
+using NUnit.Framework;
 
 using Ringtoets.Integration.Data.Placeholders;