* clean up and document integration test convention
* clarify integration test conventions
* clean up integration tests that don't follow convention
* mark testIntegration* functions as helpers to avoid confusion
* chore: add alias for InitTestDB and Session
Adds an alias for the sqlstore InitTestDB and Session, and updates tests using these to reduce dependencies on the sqlstore.Store.
* next pass of removing sqlstore imports
* last little bit
* remove mockstore where possible