Now the CDC recommends all domestic travelers complete a COVID test before departure, regardless of vaccination status:
https://edition.cnn.com/travel/artic...ing/index.html.
I wouldn't say this bodes well for ending the one-day test requirement any time soon.
Israel, which has had some of the most stringent entry requirements, is ending all COVID testing for air travel on Saturday:
https://www.timesofisrael.com/air-tr...ting-saturday/