Tong, 25, has not yet represented the national team in any format, but has impressed in the Division II Counties Championship this season, taking 11 wickets for the Worcestershire team. He also took eight wickets during England Lions’ Test victory over Sri Lanka in February.
The one-off Test will take place at Lord’s from June 1-4, with a five-match series against Australia starting at Edgbaston on June 16.
England face injury problems ahead of the Ashes, with fast bowler Jofra Archer ruled out of the series and wicketkeepers Ollie Robinson and James Anderson returning from injuries.
It’s important to have players ready to respond, and with a big summer of Test cricket coming up, we’ll need that depth in the lineup.
We wish Josh and the rest of the squad the best of luck at the first international of the campaign, said England men’s selector Luke Wright.
Irish cricket also confirmed late changes to its squad on Wednesday, with seamer Matthew Foster being included in place of Conor Olfert, who has not recovered in time from a knee injury.