Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/CheckLargeResultsSets.cs
===================================================================
diff -u -r4487 -r4488
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/CheckLargeResultsSets.cs	(.../CheckLargeResultsSets.cs)	(revision 4487)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/CheckLargeResultsSets.cs	(.../CheckLargeResultsSets.cs)	(revision 4488)
@@ -392,8 +392,14 @@
         return resultsFound;
     }
 
-    public static void CheckBasicResultsBasedOnReferenceResultsFile(string resultsFile, DesignResult[] calculationResults)
+    public static void CheckBasicResultsBasedOnReferenceResultsFile(string resultsFile, string outputFileName, 
+                                                                    DesignResult[] calculationResults)
     {
+        string logFile = Path.ChangeExtension("TestFiles\\" + outputFileName, ".log");
+        if (File.Exists(logFile))
+        {
+            File.Delete(logFile);
+        }
         Output output = DamXmlSerialization.LoadOutputFromXmlFile(resultsFile);
         Assert.AreEqual(output.Results.CalculationResults.Count(), calculationResults.Count(), "Results Count does not match");
         foreach (DesignResult expectedDesignResult in output.Results.CalculationResults)
@@ -424,7 +430,7 @@
             };
             compare.Config.MembersToIgnore = ResultsParametersToIgnore;
             ComparisonResult result = compare.Compare(expectedDesignResult, actualDesignResult);
-            WriteDifferencesToLog(resultsFile, result);
+            WriteDifferencesToLog(logFile, expectedDesignResult.BaseFileName, result);
             Assert.AreEqual(0, result.Differences.Count, "Differences found comparing design results for " + resultsFile);
         }
     }
@@ -434,16 +440,17 @@
         "CalculationSubDir"
     };
 
-    private static void WriteDifferencesToLog(string resultsFile, ComparisonResult result)
+    private static void WriteDifferencesToLog(string logFile, string baseFileName, ComparisonResult result)
     {
-        Path.ChangeExtension(resultsFile, ".log");
         if (result.Differences.Any())
         {
-            File.WriteAllText(resultsFile, result.DifferencesString);
+            string res = baseFileName + ": \r\n" + result.DifferencesString;
+            File.AppendAllText(logFile, res);             
         }
         else
         {
-            File.WriteAllText(resultsFile, "No differences found at all!");
+            string res = baseFileName + ": No differences found at all! \r\n";
+            File.AppendAllText(logFile, res);
         }
     }
 }
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