Reinstate service-backup end-to-end test
Reinstate service-backup end-to-end test

Check we can create a backup, upload it, and then clean up

[#114322903]

pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,sclevine/cf-redis-release,pivotal-cf/cf-redis-release,sclevine/cf-redis-release,sclevine/cf-redis-release