Ship 20 underwent a cryogenic proof test on September 29. It's next test is expected to be a static fire of at least one engine. It is most likely going to be a test of the sea level engines. The vacuum engines would be tested later. Per road closures, the earliest the first static fire could happen is Wednesday, October 13.
Ship 20 Static Fire to Happen Soon
Updated: Oct 13, 2021
Some engined have now been delivered to the launch site apparently