Fix test on not-Windows platforms.
Fix test on not-Windows platforms.

Gjacquenot/simbody,elkingtonmcb/simbody,elkingtonmcb/simbody,elkingtonmcb/simbody,simbody/simbody,robojukie/simbody,robojukie/simbody,simbody/simbody,scamille/simbody,robojukie/simbody,scamille/simbody,Gjacquenot/simbody,Gjacquenot/simbody,scamille/simbody