Fix/log writer config missing
Description
This MR fixes a bug that the logger leaked between test instances. It fixes the wrong config, and improves the initialization of the bec_logger & introduces a check for a wrong config.
Type of Change
- fix configs & check loading of proper service_config in logger
- add tests for configuration of bec_logger
- introduce _reset_singleton to bec_logger
- Improve file_writer test fixtures
Potential side effects
None
Definition of Done
-
Documentation is up-to-date.