Major upgrade

Source/UnitTests/Common/Util.cs

@@ -0,0 +1,29 @@
+using NLog;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UnitTests
+{
+   public class Util
+   {
+      public static void LogException(Exception ex, ILogger logger) 
+      {
+         string errorMsg = ex.Message;
+         string stackTrace = ex.StackTrace;
+
+         Exception innerEx = ex.InnerException;
+         while (innerEx != null)
+         {
+            errorMsg = innerEx.Message;
+            stackTrace = innerEx.StackTrace + "\r\n" + stackTrace;
+
+            innerEx = innerEx.InnerException;
+         }
+
+         logger.Error(errorMsg + "\r\n" + stackTrace);
+      }
+   }
+}