Uzair Shahid, 20, and Toyub Ali, 19, are defendants in the incident which happened at Kats Kuts, in Wolverhampton Road, on May 19, 2019.
The trial was due to begin this week however Shahid, of Lichfield Road, Walsall, is awaiting the results of a Covid-19 test.
It will now begin on February 1.
Shahid is charged with attempted murder, causing grievous bodily harm with intent and possession of a firearm with intent to endanger life.
Ali, of no fixed address, is charged with possession of a firearm with violent intent.