This is stated in a message on the company’s Twitter.

Static fire of Falcon 9 complete - targeting Wednesday, May 27 at 4:33 pm EDT for Crew Dragon's launch to the @Space_Station with @AstroBehnken and @Astro_Doug on board →

- SpaceX (@SpaceX) May 22, 2020

It is noted that a static missile fire test was conducted.

The launch of Crew Dragon on the ISS is scheduled for May 27.

On April 23, the Falcon 9 launch vehicle with the Starlink satellite group launched from the US cosmodrome.