Sri Lanka flew five test players on Saturday to join a 17-member squad for the two tests against the West Indies at the end of the ongoing limited overs tournament.
Sri Lanka Cricket said Lahiru Thirimanne, Dhananjaya de Silva, Roshen Silva, Vishwa Fernando, and Lasith Embuldeniya -- who were not included in the white-ball squad -- left the island on Saturday for the Caribbean.
The first test starts on 21 March and the second and final game is scheduled for 29 March.
Sri Lanka have levelled the T20 series after winning the second Twenty20 game by 43 runs on Friday.
The third and final T20 will be on Sunday and the one-day internationals will be at the Sir Vivian Richards Cricket Stadium on 10, 12 and 14 March.
Sri Lanka test squad: Dimuth Karunaratne (captain), Dasun Shanaka, Pathum Nissanka, Oshada Fernando, Lahiru Thirimanne, Dinesh Chandimal, Angelo Mathews, Niroshan Dickwella, Roshen Silva, Dhananjaya de Silva, Wanindu Hasaranga, Ramesh Mendis, Vishwa Fernando, Suranga Lakmal, Asitha Fernando, Dushmantha Chameera and Lasith Embuldeniya.