add test for cf events
add test for cf events

Signed-off-by: Phan Le <f2c5995718b197bbd6f63c99e8aab6ee2af1c495@pivotallabs.com>

matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests,matt-royal/cf-acceptance-tests