Add unit test for nested Contexts.
Add unit test for nested Contexts.

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