The Daily Star's FREE newsletter is spectacular! Sign up today for the best stories straight to your inboxHeathrow Airport has announced a new Covid-19 testing facility which it hopes can bring an end to the compulsory 14-day quarantine period for arriving travellers.At present, the UK government is imposing a mandatory quarantine for people returning from certain at risk countries.But the new procedure would mean arriving passengers will be able to book swab tests and have results sent to them in seven hours under the proposal, which is being used in Germany and Iceland.Travellers can do a second test at home a few days later and then leave quarantine early if they pass both checks, the Daily Mail reported.Heathrow executives hope those.