Increase timeout interval in route-emitter consul-down test
Increase timeout interval in route-emitter consul-down test

* We were hovering around the limit at 3 retry intervals and decided to
increase it because consul doesn't always come up immediately

Signed-off-by: Danny Cao <5ffc8b7cff3b9f2acb630fd157ff837ced3278ae@us.ibm.com>

cloudfoundry-incubator/route-emitter