Ensure list_with_limit tests pass

Currently the list_with_limit tests are passing by luck due to concurrent tests
running, since they require 3 resources to be present in order for the 'next'
marker to be included in the response. Well done to Ruby Loo for spotting this
in the deploy templates tests.

Change-Id: I67f6737c6bc1bdef22dac5a24c577a3d450233a6
3 files changed