Test that Shoppers was using at the time was Panbio from Abbott which is on the EU list of permitted speedy checks. To fly to Portugal the EU Digital Covid Certificate must be shown. If you wouldn’t have a EU Digial certificates PCR check for 72h our Antigen for 24h.
In Lisbon, they checked my vaccine documentation and passport and that was it. This was just my experience though, and I still advocate getting the take a look at simply in case they do ask. Many nations additionally use testing to incentivize vaccination by waiving the requirement for vaccinated individuals, …