public void GivenUserDownloadTheAttachmentFromDepartmentInboxMail(string subject, string downloadFileName, int downloadFileNo)
 {
     driver    = driverFactory.GetDriver();
     inboxPage = new InboxPage(driver);
     inboxPage.NavigateToQADeptInbox(driver);
     inboxPage.DownloadFile(subject, downloadFileName, downloadFileNo);
 }