Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs
===================================================================
diff -u -r3ed8e00da47ef2780e79688a9902e12b674e4cc0 -r9779d1ab6b555c557e8fd18f4430ad207bd003da
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs	(.../PipingCalculationActivityTest.cs)	(revision 3ed8e00da47ef2780e79688a9902e12b674e4cc0)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs	(.../PipingCalculationActivityTest.cs)	(revision 9779d1ab6b555c557e8fd18f4430ad207bd003da)
@@ -26,6 +26,7 @@
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Rhino.Mocks;
+using Ringtoets.Common.Service.TestUtil;
 using Ringtoets.Piping.Data;
 using Ringtoets.Piping.Data.TestUtil;
 using Ringtoets.Piping.KernelWrapper.TestUtil;
@@ -130,10 +131,10 @@
             {
                 string[] msgs = messages.ToArray();
                 Assert.AreEqual(4, msgs.Length);
-                Assert.AreEqual($"Validatie van '{validPipingCalculation.Name}' gestart.", msgs[0]);
-                Assert.AreEqual($"Validatie van '{validPipingCalculation.Name}' beëindigd.", msgs[1]);
-                Assert.AreEqual($"Berekening van '{validPipingCalculation.Name}' gestart.", msgs[2]);
-                Assert.AreEqual($"Berekening van '{validPipingCalculation.Name}' beëindigd.", msgs[3]);
+                CalculationServiceTestHelper.AssertValidationStartMessage(validPipingCalculation.Name, msgs[0]);
+                CalculationServiceTestHelper.AssertValidationEndMessage(validPipingCalculation.Name, msgs[1]);
+                CalculationServiceTestHelper.AssertCalculationStartMessage(validPipingCalculation.Name, msgs[2]);
+                CalculationServiceTestHelper.AssertCalculationEndMessage(validPipingCalculation.Name, msgs[3]);
             });
             Assert.AreEqual(ActivityState.Executed, activity.State);
             Assert.IsNotNull(validPipingCalculation.Output);