This will actually fail because that shared context is not defined. The string of `it_behaves_like` is defined in [spec/server/support/basic_shared_contexts.rb](https://github.com/jenkins-infra/jenkins-infra/blob/staging/spec/server/support/basic_shared_contexts.rb)

Is there anything special about a Rackspace hosted machine that's distinctive from any other normal machine? Going off the `role::celery` class above, I'm guessing not.