add tests for fileexistslocally helper function
add tests for fileexistslocally helper function

timsutton/packer,KohlsTechnology/packer,timsutton/packer,rnaveiras/packer,tb3088/packer,ricardclau/packer,tb3088/packer,bryson/packer,paulmey/packer,dave2/packer,KohlsTechnology/packer,KohlsTechnology/packer,p1-nico/packer,youhong316/packer,pecigonzalo/packer,mkuzmin/packer,paulmey/packer,routelastresort/packer,timsutton/packer,ricardclau/packer,tas50/packer,bryson/packer,tas50/packer,tb3088/packer,bryson/packer,ChrisLundquist/packer,grubernaut/packer,youhong316/packer,rnaveiras/packer,routelastresort/packer,paulmey/packer,grubernaut/packer,pieter-lazzaro/packer,tas50/packer,mkuzmin/packer,routelastresort/packer,ricardclau/packer,grubernaut/packer,tb3088/packer,mkuzmin/packer,pieter-lazzaro/packer,p1-nico/packer,paulmey/packer,rnaveiras/packer,dave2/packer,hashicorp/packer,youhong316/packer,routelastresort/packer,pieter-lazzaro/packer,routelastresort/packer,ChrisLundquist/packer,mkuzmin/packer,bryson/packer,p1-nico/packer,mitchellh/packer,mitchellh/packer,grubernaut/packer,tb3088/packer,rnaveiras/packer,KohlsTechnology/packer,pecigonzalo/packer,tb3088/packer,ricardclau/packer,timsutton/packer,pieter-lazzaro/packer,p1-nico/packer,timsutton/packer,mkuzmin/packer,pieter-lazzaro/packer,ricardclau/packer,mkuzmin/packer,youhong316/packer,mitchellh/packer,KohlsTechnology/packer,bryson/packer,hashicorp/packer,dave2/packer,KohlsTechnology/packer,tas50/packer,dave2/packer,p1-nico/packer,grubernaut/packer,pieter-lazzaro/packer,hashicorp/packer,grubernaut/packer,ChrisLundquist/packer,ChrisLundquist/packer,mitchellh/packer,dave2/packer,tas50/packer,hashicorp/packer,youhong316/packer,rnaveiras/packer,ChrisLundquist/packer,tas50/packer,mitchellh/packer,paulmey/packer,ricardclau/packer,timsutton/packer,bryson/packer,pecigonzalo/packer,youhong316/packer,dave2/packer,pecigonzalo/packer,paulmey/packer,p1-nico/packer,rnaveiras/packer,ChrisLundquist/packer