Fixed test path test on Windows
Fixed test path test on Windows

Windows uses \ instead of /

fotinakis/testem,johanneswuerbach/testem,testem/testem,Addepar/testem,testem/testem,Addepar/testem,johanneswuerbach/testem,fotinakis/testem,paulot/testem,paulot/testem,bradleylandis/testem,paulot/testem,testem/testem,johanneswuerbach/testem,Addepar/testem,bradleylandis/testem,Addepar/testem,fotinakis/testem,bradleylandis/testem