Add tests for export VM step
Add tests for export VM step

tas50/packer,hashicorp/packer,rnaveiras/packer,grubernaut/packer,dave2/packer,mitchellh/packer,ricardclau/packer,timsutton/packer,paulmey/packer,timsutton/packer,ricardclau/packer,ricardclau/packer,youhong316/packer,tb3088/packer,rnaveiras/packer,tb3088/packer,mkuzmin/packer,mitchellh/packer,bryson/packer,rnaveiras/packer,rnaveiras/packer,timsutton/packer,tas50/packer,youhong316/packer,pecigonzalo/packer,timsutton/packer,grubernaut/packer,dave2/packer,hashicorp/packer,rnaveiras/packer,tas50/packer,ricardclau/packer,ricardclau/packer,bryson/packer,tb3088/packer,tb3088/packer,mkuzmin/packer,bryson/packer,pecigonzalo/packer,bryson/packer,mkuzmin/packer,mitchellh/packer,tas50/packer,dave2/packer,grubernaut/packer,timsutton/packer,tas50/packer,paulmey/packer,tas50/packer,bryson/packer,grubernaut/packer,paulmey/packer,mitchellh/packer,tb3088/packer,youhong316/packer,pecigonzalo/packer,youhong316/packer,mitchellh/packer,pecigonzalo/packer,grubernaut/packer,mkuzmin/packer,hashicorp/packer,dave2/packer,paulmey/packer,tb3088/packer,timsutton/packer,grubernaut/packer,youhong316/packer,bryson/packer,dave2/packer,dave2/packer,mkuzmin/packer,hashicorp/packer,rnaveiras/packer,mkuzmin/packer,ricardclau/packer,youhong316/packer,paulmey/packer,paulmey/packer