Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs
===================================================================
diff -u -r7371a70ed0751d341d41a7b951b780d286f83791 -rdb77ae03f93f27b25268dd9f62f0091a47fe22d8
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs	(.../PipingCalculationScenarioContextTreeNodeInfoTest.cs)	(revision 7371a70ed0751d341d41a7b951b780d286f83791)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingCalculationScenarioContextTreeNodeInfoTest.cs	(.../PipingCalculationScenarioContextTreeNodeInfoTest.cs)	(revision db77ae03f93f27b25268dd9f62f0091a47fe22d8)
@@ -1041,6 +1041,7 @@
                         CalculationServiceTestHelper.AssertCalculationEndMessage(msgs.Current);
                         Assert.IsTrue(msgs.MoveNext());
                         Assert.AreEqual($"Uitvoeren van berekening '{calculation.Name}' is gelukt.", msgs.Current);
+                        msgs.Dispose();
                     });
                     Assert.IsNotNull(calculation.Output);
                     Assert.IsNotNull(calculation.SemiProbabilisticOutput);