Make tests run against each plan specified in config
Make tests run against each plan specified in config

- Fixes a bug where the tests were run multiple times against the last
entry in the config file

[#157564325]

Co-authored-by: Rosie Bloxsom <8448dab249a2162e5ca15c210cb400e1a3552f01@pivotal.io>

pivotal-cf/cf-rabbitmq-smoke-tests