Add tests to ensure default options are set with correct priority.
Add tests to ensure default options are set with correct priority.

Add unit test to verify decorated options are correctly picked up.  Add
unit tests to ensure default options are superseded by init options, and
init options by those passed to update_options.

rosshendrickson-wf/furious,mattsanders-wf/furious,beaulyddon-wf/furious,andreleblanc-wf/furious,beaulyddon-wf/furious,andreleblanc-wf/furious,Workiva/furious,Workiva/furious,mattsanders-wf/furious,robertkluin/furious,rosshendrickson-wf/furious