And the highest score in a Test with 4 completed innings is 266 by Ponsford at The Oval in 1934, but England had a player absent hurt in each innings so only 38 wickets fell.And the answer is : Jayasuriya 253 vs Pakistan in 2004
1st Test, Sri Lanka tour of Pakistan at Faisalabad, Oct 20-24 2004 | Match Summary | ESPNCricinfo
Curiously, the first 3 batsmen to score 200 in a match where 40 wickets fell (Gregory (201) in 1894, Faulkner (204) in 1910-11 and Trumper (214) in the following game) were all on the losing side.