Using the attached test in a test list and when executed in IE8 the RadAsycnUpload step fails with the following exception:



Timed out waiting '60000' msec. for any dialog to be handled '1'
InnerException:
System.TimeoutException: Timed out waiting '60000' msec. for any dialog to be handled '1'
   at ArtOfTest.WebAii.Win32.Dialogs.BaseDialog.WaitUntilAnyHandled(IEnumerable`1 dialogs, Int32 handleCount, Int64 timeoutMilliseconds, Boolean resetHandleCount)
   at ArtOfTest.WebAii.Win32.Dialogs.BaseDialog.WaitUntilHandled(Int32 handleCount, Int32 timeout, Boolean resetHandleCount)
   at ArtOfTest.WebAii.Win32.Dialogs.BaseDialog.WaitUntilHandled()
   at Telerik.WebAii.Controls.Html.RadAsyncUpload.Upload(Int32 index, String filePath)
   at Telerik.WebAii.Design.Translators.Html.AsyncUpload.AsyncUploadUploadFileAction.Execute(Browser browser)
   at ArtOfTest.WebAii.Design.Extensibility.HtmlActionDescriptor.Execute(IAutomationHost autoHost)
   at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)




It works fine from quick execution.