* Unit tests for app/products/calls/observers
* Unit tests for app/products/calls/actions
* Unit tests for app/products/calls/client
* Unit tests for app/products/calls/connection
* Unit tests for app/products/calls/connection/websocket_event_handlers.ts
* Unit tests for app/products/calls/connection/connection.ts
* Unit tests for app/products/calls/state/actions.ts
* Unit tests for app/products/calls/utils.ts
* Unit tests for app/products/calls/alerts.ts
* Unit tests for app/products/calls/calls_manager.ts
* Unit tests for app/products/calls/hooks.ts
* Factor out force logout error
* Reduce use of 'as jest.Mock'
* Add test case
* Use constants
* Better naming
* Fix types after merge
* Fix test
