I get this error when running test-canoo -Dtestcase=PersonTests
>
> [webtest] (host.Window 140 ) window.confirm("Are
> you sure you want to delete this Person?") no confirm handler installed
> [webtest] (steps.Step 322 ) >>>> Start Step:
> verifytitle "display Main Menu" (10/12)
> [webtest] (steps.Step 553 ) Exception thrown from
> this class: com.canoo.webtest.engine.StepFailedException
> [webtest] (steps.Step 555 ) Message was: Wrong
> document title found! Expected ".*Main Menu.*" but got "Person Detail | AppFuse"
>

Here's Matt's fix:

                <prepareDialogResponse description="Confirm delete"
dialogType="confirm" response="true"/>
                <clickbutton label="${button.delete}"
description="Click button 'Delete'"/>
                <verifyNoDialogResponses/>