Incorrect (stale) user data in SAML2 assertion

[Peter Schober]

* Matthew Slowe <m.slowe at kent.ac.uk> [2015-03-12 13:00]:
> > You can't switch users in the same browser, not until all cookies for
> > the IDP are nuked, too, IIRC.
> 
> Meh, is there a way to provoke that? Some URL I can hit within the IDP
> which will destroy cookies? Preferably with a "and next go to $URL"
> parameter :)

Does this help?
https://wiki.shibboleth.net/confluence/display/SHIB2/IdPEnableSLO
-peter