* 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
* init
* support template variables
* support variables without curly braces
* add todo for `__all` case
* fix `$__all` case for non-multivalue
* extract some functions
* fix flakinesss
* support `$__all` and `default` template variables
* add todo
* compilation fix
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>