Make rubocop ignore globals for spec
Make rubocop ignore globals for spec

Our spec structure currently requires a global variable, so that
cop must be silenced for all spec files.

creideiki/palletjack,notCalle/palletjack,creideiki/palletjack,saab-simc-admin/palletjack,notCalle/palletjack,saab-simc-admin/palletjack