request.setParameter("SAMLResponse", RedirectBindingUtil.urlDecode(logoutResponse));
request.setParameter("RelayState", relayState);
request.setContext(context);
//IDP should now send the final logout response to Sales application who sent the original request
sp.authenticate(request, response, new LoginConfig());
//Ensure that at the IDP we do not have any participants in the session (both employee and sales are logged out)
IdentityParticipantStack stack = server.stack();
assertEquals(0, stack.getParticipants(session.getId()));
assertEquals(0, stack.getNumOfParticipantsInTransit(session.getId()));