Add Null Transport
waitForElementPresent css=table.worklist a.minimal > span.glyphicons.glyphicons-circle-plus
click css=table.worklist a.minimal > span.glyphicons.glyphicons-circle-plus
waitForElementPresent css=div.ui-dialog form.peek-mail-transport
type name=name Dummy Mailer
select name=extension_id label=Null
click name=is_default
click css=button.submit
waitForElementNotPresent css=div.ui-dialog