airlines are pinning hopes on pre-flight COVID-19 tests that deliver results as fast as pregnancy tests to help restore passengers' confidence in taking to the skies in confined spaces with shared air.Germany's Lufthansa, at the mercy of government bailouts for survival, is in talks with Swiss drugmaker Roche over deploying so-called antigen tests, according to two people familiar with the discussions, as the airline aims to make them available next month.Italian operator Alitalia, meanwhile, told Reuters that from Wednesday it would add two flights from Milan to Rome, to the two it is already offering from Rome to Milan, exclusively for passengers with negative tests.The tests are administered by health authorities at the airports and.