/// <summary>
		/// Add a workItem
		/// </summary>
		/// <param name="workItem">the workItem</param>
		public void AddWorkItem(WorkItem workItem)
		{
			WorkItems.Add(workItem);
		}
		/// <summary>
		/// Create a new WorkerErrorMail
		/// </summary>
		/// <param name="workItem">The workItem causing the error </param>
		/// <param name="exception">The exception</param>
		/// <param name="testNode">the corresponding testNode </param>
		public WorkerErrorMail(WorkItem workItem, Exception exception, Uri testNode)
		{
			_workItem = workItem;
			_exception = exception;
			_testNode = testNode;
		}
		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="workItem">The workItem causing the error </param>
		/// <param name="testNode">the corresponding testNode </param>
		public WorkerLongLifeTestErrorMail(WorkItem workItem, string testNode)
		{
			_workItem = workItem;
			_testNode = testNode;
		}