Fix test server to expect order_by parameter
Fix test server to expect order_by parameter

[#163096814](https://www.pivotaltracker.com/story/show/163096814)

Co-authored-by: Alexander Berezovsky <a12e46294a7d630b60bbba114755367d6bafe2fb@pivotal.io>

cloudfoundry/cli,cloudfoundry/cli,cloudfoundry/cli