- No longer create ClientSession in json_rpc_client for tests
- Add backend tests
- Use mocked local client to check method_calls
- Remove sleep after connection_checker stops
- Remove LOWBAT from HM-LC-Sw1-Pl, HM-LC-Sw2-FM
- Simplify entity de-/registration
- Refactor add/delete device and add tests
- Add un_ignore_list to test config
- Allow unignore for DEVICE_ERROR_EVENTS