Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.IO.Test/DuneLocationCalculationsWriterTest.cs
===================================================================
diff -u -rbd5cd12c211e63d9ad3be8235234449571c4460c -r96238ba8b5baef941ae8a1ca49a431f1c9e4800d
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.IO.Test/DuneLocationCalculationsWriterTest.cs	(.../DuneLocationCalculationsWriterTest.cs)	(revision bd5cd12c211e63d9ad3be8235234449571c4460c)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.IO.Test/DuneLocationCalculationsWriterTest.cs	(.../DuneLocationCalculationsWriterTest.cs)	(revision 96238ba8b5baef941ae8a1ca49a431f1c9e4800d)
@@ -95,11 +95,11 @@
             using (var disposeHelper = new DirectoryDisposeHelper(TestHelper.GetScratchPadPath(), nameof(WriteDuneLocationCalculations_InvalidDirectoryRights_ThrowCriticalFileWriteException)))
             {
                 string filePath = Path.Combine(directoryPath, "test.bnd");
+                disposeHelper.LockDirectory(FileSystemRights.Write);
 
                 // Call
                 TestDelegate call = () => DuneLocationCalculationsWriter.WriteDuneLocationCalculations(Enumerable.Empty<DuneLocationCalculation>(), filePath);
-
-                disposeHelper.LockDirectory(FileSystemRights.Write);
+                
                 // Assert
                 var exception = Assert.Throws<CriticalFileWriteException>(call);
                 Assert.AreEqual($"Er is een onverwachte fout opgetreden tijdens het schrijven van het bestand '{filePath}'.", exception.Message);