Raise on RSpec deprecation warnings
Raise on RSpec deprecation warnings

[#128799355]

Signed-off-by: Natalie J. Bennett <e5fc036b158c983344048075b2b1e5c6083fede5@pivotal.io>

cloudfoundry/cf-mysql-broker,cloudfoundry/cf-mysql-broker,cloudfoundry/cf-mysql-broker