add cases for create/delete app/service/route

Change-Id: I9f7febd187f435e3fe03908bb9a307987b6b5a95
Signed-off-by: jgong <jgong@rbcon.com>
Reviewed-on: http://reviews.cloudfoundry.org/12899
Tested-by: CI Master <cf-ci@rbcon.com>
Reviewed-by: Chun Yu <yuc@rbcon.com>