as requested change to test to command:`which`
as requested change to test to command:`which`

gitebra/vagrant,PatrickLang/vagrant,mitchellh/vagrant,PatrickLang/vagrant,gitebra/vagrant,sni/vagrant,marxarelli/vagrant,crashlytics/vagrant,sni/vagrant,mitchellh/vagrant,gitebra/vagrant,crashlytics/vagrant,marxarelli/vagrant,chrisroberts/vagrant,gitebra/vagrant,sni/vagrant,marxarelli/vagrant,sni/vagrant,chrisroberts/vagrant,chrisroberts/vagrant,taliesins/vagrant,mitchellh/vagrant,PatrickLang/vagrant,bryson/vagrant,taliesins/vagrant,crashlytics/vagrant,crashlytics/vagrant,bryson/vagrant,PatrickLang/vagrant,taliesins/vagrant,mitchellh/vagrant,bryson/vagrant,chrisroberts/vagrant,bryson/vagrant,taliesins/vagrant,marxarelli/vagrant