Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentOutputTest.cs
===================================================================
diff -u -rce94b8228bc7e51779b3754217580f13cb35e475 -r3ddadfbc5e096c8df7d709be0d9a9057cf4b8dd6
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentOutputTest.cs	(.../ProbabilityAssessmentOutputTest.cs)	(revision ce94b8228bc7e51779b3754217580f13cb35e475)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Probability/ProbabilityAssessmentOutputTest.cs	(.../ProbabilityAssessmentOutputTest.cs)	(revision 3ddadfbc5e096c8df7d709be0d9a9057cf4b8dd6)
@@ -22,6 +22,7 @@
 using System;
 using Core.Common.Base;
 using Core.Common.Base.Data;
+using Core.Common.Base.Storage;
 using Core.Common.TestUtil;
 
 using NUnit.Framework;
@@ -50,12 +51,16 @@
             // Assert
             Assert.IsInstanceOf<Observable>(output);
             Assert.IsInstanceOf<ICalculationOutput>(output);
+            Assert.IsInstanceOf<IStorable>(output);
+
             Assert.IsNotNull(output);
             Assert.AreEqual(requiredProbability, output.RequiredProbability);
             Assert.AreEqual(requiredReliability, output.RequiredReliability);
             Assert.AreEqual(probability, output.Probability);
             Assert.AreEqual(reliability, output.Reliability);
             Assert.AreEqual(factorOfSafety, output.FactorOfSafety);
+
+            Assert.AreEqual(0, output.StorageId);
         }
 
         [Test]