Boeing completes first round of 747-8F gauntlet tests

http://www.flightglobal.com/articles/2009/11/12/334687/boeing-completes-first-round-of-747-8f-gauntlet-tests.html

Gauntlet testing places the aircraft in a closed loop simulation that
"fools" the aircraft systems into thinking they are flying. The
factory gauntlet also represents the first major test of all of the
aircraft systems as they operate in unison.