“4adc8a7aa1d78e9c37d285007eb9e2a6e2e1e180”上不存在“python/paddle/fluid/tests/unittests/init_process_group.py”
* wip * wip * refactor no.1 dir structure test=develop * fix linking test=develop * fix includes test=develop * fix build test=develop * fix build test=develop