Add HLD for saivpp unittest framework#240

yue-fred-gao wants to merge 2 commits into

sonic-net:mastersonic-net/sonic-platform-vpp:masterfrom

yue-fred-gao:sai_vpp_unittest_hldyue-fred-gao/sonic-platform-vpp:sai_vpp_unittest_hldCopy head branch name to clipboard