Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Integration.Test/ClosingStructuresCalculationActivityIntegrationTest.cs
===================================================================
diff -u -r9779d1ab6b555c557e8fd18f4430ad207bd003da -rfae525350cc755ecc783bd4ac3fc13aed2e4ccaa
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Integration.Test/ClosingStructuresCalculationActivityIntegrationTest.cs	(.../ClosingStructuresCalculationActivityIntegrationTest.cs)	(revision 9779d1ab6b555c557e8fd18f4430ad207bd003da)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Integration.Test/ClosingStructuresCalculationActivityIntegrationTest.cs	(.../ClosingStructuresCalculationActivityIntegrationTest.cs)	(revision fae525350cc755ecc783bd4ac3fc13aed2e4ccaa)
@@ -79,10 +79,11 @@
             TestHelper.AssertLogMessages(call, messages =>
             {
                 string[] msgs = messages.ToArray();
-                Assert.AreEqual(3, msgs.Length);
-                CalculationServiceTestHelper.AssertValidationStartMessage(calculation.Name, msgs[0]);
-                StringAssert.StartsWith("Validatie mislukt: Fout bij het lezen van bestand", msgs[1]);
-                CalculationServiceTestHelper.AssertValidationEndMessage(calculation.Name, msgs[2]);
+                Assert.AreEqual(4, msgs.Length);
+                Assert.AreEqual($"Uitvoeren van berekening '{calculation.Name}' is gestart.", msgs[0]);
+                CalculationServiceTestHelper.AssertValidationStartMessage(calculation.Name, msgs[1]);
+                StringAssert.StartsWith("Validatie mislukt: Fout bij het lezen van bestand", msgs[2]);
+                CalculationServiceTestHelper.AssertValidationEndMessage(calculation.Name, msgs[3]);
             });
             Assert.AreEqual(ActivityState.Failed, activity.State);
         }
@@ -129,12 +130,13 @@
                 TestHelper.AssertLogMessages(call, messages =>
                 {
                     string[] msgs = messages.ToArray();
-                    Assert.AreEqual(5, msgs.Length);
-                    CalculationServiceTestHelper.AssertValidationStartMessage(calculation.Name, msgs[0]);
-                    CalculationServiceTestHelper.AssertValidationEndMessage(calculation.Name, msgs[1]);
-                    CalculationServiceTestHelper.AssertCalculationStartMessage(calculation.Name, msgs[2]);
-                    StringAssert.StartsWith("Betrouwbaarheid sluiting kunstwerk berekening is uitgevoerd op de tijdelijke locatie", msgs[3]);
-                    CalculationServiceTestHelper.AssertCalculationEndMessage(calculation.Name, msgs[4]);
+                    Assert.AreEqual(6, msgs.Length);
+                    Assert.AreEqual($"Uitvoeren van berekening '{calculation.Name}' is gestart.", msgs[0]);
+                    CalculationServiceTestHelper.AssertValidationStartMessage(calculation.Name, msgs[1]);
+                    CalculationServiceTestHelper.AssertValidationEndMessage(calculation.Name, msgs[2]);
+                    CalculationServiceTestHelper.AssertCalculationStartMessage(calculation.Name, msgs[3]);
+                    StringAssert.StartsWith("Betrouwbaarheid sluiting kunstwerk berekening is uitgevoerd op de tijdelijke locatie", msgs[4]);
+                    CalculationServiceTestHelper.AssertCalculationEndMessage(calculation.Name, msgs[5]);
                 });
                 Assert.AreEqual(ActivityState.Executed, activity.State);
             }