The two trial games are to be played at the Premadasa stadium in Colombo.
But a notable entry into the fray is lanky spinner Ramith Rambukwella.
Chathuranga finds his name only on the stand-by list. He was a regular member of the Sri Lanka A team.
Chathuranga was part of the Sri Lanka squad that won the T20 World Cup early this year but was dropped and then given one match in a series on the recent tour of India that Sri Lanka lost 5-0.