Pre-merge code cleanup

src/tests/ofc22/tests/common/Constants.py

src/tests/ofc22/tests/common/DeviceTypes.py

src/tests/ofc22/tests/common/Settings.py

src/tests/ofc22/tests/common/__init__.py

...22/tests/common/database/api/context/slice/SliceStatus.py

...ofc22/tests/common/database/api/context/slice/__init__.py

src/tests/ofc22/tests/common/logger.py

src/tests/ofc22/tests/common/message_broker/Constants.py

src/tests/ofc22/tests/common/message_broker/Factory.py

src/tests/ofc22/tests/common/message_broker/Message.py

src/tests/ofc22/tests/common/message_broker/MessageBroker.py

src/tests/ofc22/tests/common/message_broker/__init__.py

.../ofc22/tests/common/message_broker/backend/BackendEnum.py

...sts/ofc22/tests/common/message_broker/backend/_Backend.py

...sts/ofc22/tests/common/message_broker/backend/__init__.py

...common/message_broker/backend/inmemory/InMemoryBackend.py

.../tests/common/message_broker/backend/inmemory/__init__.py

...tests/common/message_broker/backend/redis/RedisBackend.py

...c22/tests/common/message_broker/backend/redis/__init__.py

...tests/ofc22/tests/common/message_broker/tests/__init__.py