Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.Test/DuneLocationCalculationTest.cs
===================================================================
diff -u -rfdd2ef5df1a8c575ff40ac874c25c81afbabd176 -rd18c49efb0d6e0b49fb9a54daf3589d6069a62b1
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.Test/DuneLocationCalculationTest.cs	(.../DuneLocationCalculationTest.cs)	(revision fdd2ef5df1a8c575ff40ac874c25c81afbabd176)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Data.Test/DuneLocationCalculationTest.cs	(.../DuneLocationCalculationTest.cs)	(revision d18c49efb0d6e0b49fb9a54daf3589d6069a62b1)
@@ -20,7 +20,6 @@
 // All rights reserved.
 
 using System;
-using Core.Common.Base;
 using NUnit.Framework;
 using Ringtoets.DuneErosion.Data.TestUtil;
 
@@ -47,12 +46,11 @@
             var duneLocation = new TestDuneLocation();
 
             // Call
-            var calculation = new DuneLocationCalculation(duneLocation);
+            var duneLocationCalculation = new DuneLocationCalculation(duneLocation);
 
             // Assert
-            Assert.IsInstanceOf<Observable>(calculation);
-            Assert.AreSame(duneLocation, calculation.DuneLocation);
-            Assert.IsNull(calculation.Output);
+            Assert.AreSame(duneLocation, duneLocationCalculation.DuneLocation);
+            Assert.IsNull(duneLocationCalculation.Output);
         }
     }
 }