[project][test] add CPP support to the test project
[project][test] add CPP support to the test project

sndnvaps/lk,littlekernel/lk,ErikCorryGoogle/lk,srodrig1/lk,minglun-tsai/lk,sndnvaps/lk,nvll/lk,srodrig1/lk,nvll/lk,travisg/lk,sndnvaps/lk,travisg/lk,srodrig1/lk,skabet/lk,littlekernel/lk,ErikCorryGoogle/lk,minglun-tsai/lk,skabet/lk,skabet/lk,hollanderic/lkstuff,littlekernel/lk,hollanderic/lkstuff,nvll/lk,ErikCorryGoogle/lk,skabet/lk,hollanderic/lkstuff,minglun-tsai/lk,srodrig1/lk,travisg/lk,ErikCorryGoogle/lk,travisg/lk,hollanderic/lkstuff,minglun-tsai/lk,littlekernel/lk,nvll/lk,sndnvaps/lk,srodrig1/lk,nvll/lk,sndnvaps/lk,skabet/lk