Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalMultiCoreTests.cs
===================================================================
diff -u -r5729 -r5733
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalMultiCoreTests.cs	(.../OperationalMultiCoreTests.cs)	(revision 5729)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalMultiCoreTests.cs	(.../OperationalMultiCoreTests.cs)	(revision 5733)
@@ -75,9 +75,17 @@
             Output outputMultiCore = RunOperationalMultiCoreWithXmlInputFile(maxCores, calcDir, inputFilename, outputFilename);
             string calcDir1Core = workDir + calcBase + "1";
             string outputFilename1Core = Path.Combine(calcDir1Core, outputBase + "1.xml");
-            Output output1Core = !File.Exists(outputFilename1Core)
-                                     ? RunOperationalMultiCoreWithXmlInputFile(1, calcDir1Core, inputFilename, outputFilename1Core)
-                                     : DamXmlSerialization.LoadOutputFromXmlFile(outputFilename1Core);
+            Output output1Core;
+            if (File.Exists(outputFilename1Core))
+            {
+                string outputCopy1Core = Path.Combine(calcDir, outputBase + "1.xml");
+                File.Copy(outputFilename1Core, outputCopy1Core, true);
+                output1Core = DamXmlSerialization.LoadOutputFromXmlFile(outputCopy1Core);
+            }
+            else
+            {
+                output1Core = RunOperationalMultiCoreWithXmlInputFile(1, calcDir1Core, inputFilename, outputFilename1Core);
+            }
             GeneralHelper.CompareOutput(output1Core, outputMultiCore);
         }
         else
Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/MultiCoreMacroStabilityTests.cs
===================================================================
diff -u -r5729 -r5733
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/MultiCoreMacroStabilityTests.cs	(.../MultiCoreMacroStabilityTests.cs)	(revision 5729)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/MultiCoreMacroStabilityTests.cs	(.../MultiCoreMacroStabilityTests.cs)	(revision 5733)
@@ -122,9 +122,17 @@
             Output outputMultiCore = RunDesignMultiCoreWithXmlInputFile(maxCores, calcDir, inputFilename, outputFilename, justOneScenario);
             string calcDir1Core = workDir + calcBase + "1";
             string outputFilename1Core = Path.Combine(calcDir1Core, outputBase + "1.xml");
-            Output output1Core = !File.Exists(outputFilename1Core)
-                                     ? RunDesignMultiCoreWithXmlInputFile(1, calcDir1Core, inputFilename, outputFilename1Core, justOneScenario)
-                                     : DamXmlSerialization.LoadOutputFromXmlFile(outputFilename1Core);
+            Output output1Core;
+            if (File.Exists(outputFilename1Core))
+            {
+                string outputCopy1Core = Path.Combine(calcDir, outputBase + "1.xml");
+                File.Copy(outputFilename1Core, outputCopy1Core, true);
+                output1Core = DamXmlSerialization.LoadOutputFromXmlFile(outputCopy1Core);
+            }
+            else
+            {
+                output1Core = RunDesignMultiCoreWithXmlInputFile(1, calcDir1Core, inputFilename, outputFilename1Core, justOneScenario);
+            }
             GeneralHelper.CompareDesignOutput(output1Core, outputMultiCore);
         }
         else