Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs
===================================================================
diff -u -r751aaf9b7623bac357cbacf4e6ddae87b2b69f1f -re45d53ab48741d0112dca1ad6bb6cf199535c8b7
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision 751aaf9b7623bac357cbacf4e6ddae87b2b69f1f)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Builders/SoilProfileBuilder1DTest.cs	(.../SoilProfileBuilder1DTest.cs)	(revision e45d53ab48741d0112dca1ad6bb6cf199535c8b7)
@@ -23,6 +23,7 @@
 using System.Linq;
 using NUnit.Framework;
 using Ringtoets.Piping.IO.Builders;
+using Ringtoets.Piping.IO.Exceptions;
 using Ringtoets.Piping.Primitives;
 
 namespace Ringtoets.Piping.IO.Test.Builders