Added /api/user tests

Added:
* `/api/user` tests for standard users

Changed:
* Added some todo's to allow for complete tests
Change tests to use their own app instance

Added:
* cookie persistance test to ensure test framework is itself working properly.

Changed:
* Updated test setup for userSpec and healthcheckSpec to use their own app instances.
* Modified `server.js` to export the `app` if in a test environment.