Call it what you like. The bottom line is this; if you show up with a good attitude and flying skills commensurate with the level of skill they request, the SIM check pretty much a no-stress event.
Regarding working with the Vietnamese (I see someone referred to them as the "VC" - tacky); if you would enjoy working with a bunch of friendly folks who don't have any hidden agendas or bad attitudes, then VNA is the place to be.