* (refactor) use _assemble_complete_response_from_streaming_chunks
* add unit test for test_assemble_complete_response_from_streaming_chunks_1
* fix assemble complete_streaming_response
* config add logging_testing
* add logging_coverage in codecov
* test test_assemble_complete_response_from_streaming_chunks_3
* add unit tests for _assemble_complete_response_from_streaming_chunks
* fix remove unused / junk function
* add test for streaming_chunks when error assembling