WASHINGTON : President Donald Trump said from his hospital room that the next few days will be the "real test" of his treatment for COVID-19, after a series of contradictory messages from the White House caused widespread confusion about his condition.In a four-minute video posted on Twitter on Saturday from his hospital suite at Walter Reed National Military Medical Center, a tired-looking Trump said he was feeling "much better.""Over the next period of a few days, I guess that's the real test, so we'll be seeing what happens over those next couple of days," Trump said into the camera, seated in front of an American flag and wearing a jacket and open-necked shirt.Trump's illness has upended the campaign ahead of the Nov.