When she went to the restroom, a server followed her inside and banged on the stall door while saying: “This is a women’s restroom. The man needs to get out of here,”

Right after your quote:

The server didn’t say anything in response but left the restroom

Yes, I’m completely sure she wasn’t forced to prove her gender. To accuse others of not reading the article, while actively not reading the article is certainly a move.