Avoid field confusion be naming fields in packer/build_test.go
Avoid field confusion be naming fields in packer/build_test.go

paulmey/packer,mitchellh/packer,paulmey/packer,paulmey/packer,mitchellh/packer,pecigonzalo/packer,ricardclau/packer,pecigonzalo/packer,rnaveiras/packer,ricardclau/packer,grubernaut/packer,hashicorp/packer,hashicorp/packer,grubernaut/packer,pecigonzalo/packer,paulmey/packer,rnaveiras/packer,rnaveiras/packer,hashicorp/packer,grubernaut/packer,mitchellh/packer,mitchellh/packer,rnaveiras/packer,rnaveiras/packer,grubernaut/packer,ricardclau/packer,paulmey/packer,hashicorp/packer,paulmey/packer,grubernaut/packer,rnaveiras/packer,pecigonzalo/packer,ricardclau/packer,ricardclau/packer,mitchellh/packer,grubernaut/packer,ricardclau/packer