ArtOfTest.Common.Design.Exceptions.VerificationException: Element was 'not found'. Criteria: Element 'Exists'.
Unable to find the Silverlight plugin on the following page:'' using the following expression:'[id 'Exact' silverlightControlHost][tagIndex 'Exact' object:0]'
   at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)