prepare to change receiver logs

.../request_handler/file_processors/write_file_processor.cpp

...rc/request_handler/file_processors/write_file_processor.h

receiver/src/request_handler/request_factory.h

receiver/src/request_handler/request_handler_file_process.h

receiver/unittests/receiver_mocking.h

...s/request_handler/file_processors/test_file_processor.cpp

...t_handler/file_processors/test_receive_file_processor.cpp

...est_handler/file_processors/test_write_file_processor.cpp

receiver/unittests/test_receiver.cpp