Add spec to ensure collaborator uploads don't change owner
Add spec to ensure collaborator uploads don't change owner

This adds a spec that ensures when a cookbook collaborator uploads a new
version of a cookbook that the original owner of that cookbook doesn't
change.

robbkidd/supermarket,jzohrab/supermarket,chef/supermarket,chef/supermarket,nellshamrell/supermarket,leftathome/supermarket,chef/supermarket,rafaelmagu/supermarket,dpnl87/supermarket,leftathome/supermarket,tas50/supermarket,dpnl87/supermarket,tas50/supermarket,juliandunn/supermarket,juliandunn/supermarket,nellshamrell/supermarket,rafaelmagu/supermarket,nellshamrell/supermarket,chef/supermarket,jzohrab/supermarket,dpnl87/supermarket,leftathome/supermarket,dpnl87/supermarket,leftathome/supermarket,juliandunn/supermarket,chef/supermarket,jzohrab/supermarket,rafaelmagu/supermarket,tas50/supermarket,rafaelmagu/supermarket,robbkidd/supermarket,tas50/supermarket,juliandunn/supermarket,jzohrab/supermarket,robbkidd/supermarket,nellshamrell/supermarket,robbkidd/supermarket