Provide correct data_present for read_timeout_exception
Provide correct data_present for read_timeout_exception

Fix fixmes.

avikivity/scylla,kjniemi/scylla,phonkee/scylla,shaunstanislaus/scylla,eklitzke/scylla,justintung/scylla,wildinto/scylla,rluta/scylla,eklitzke/scylla,avikivity/scylla,rluta/scylla,rentongzhang/scylla,capturePointer/scylla,kangkot/scylla,phonkee/scylla,tempbottle/scylla,justintung/scylla,asias/scylla,rentongzhang/scylla,dwdm/scylla,rluta/scylla,acbellini/scylla,aruanruan/scylla,guiquanz/scylla,raphaelsc/scylla,senseb/scylla,bowlofstew/scylla,respu/scylla,duarten/scylla,eklitzke/scylla,scylladb/scylla,respu/scylla,gwicke/scylla,wildinto/scylla,kjniemi/scylla,shaunstanislaus/scylla,senseb/scylla,scylladb/scylla,guiquanz/scylla,respu/scylla,bowlofstew/scylla,guiquanz/scylla,stamhe/scylla,kangkot/scylla,acbellini/scylla,raphaelsc/scylla,asias/scylla,dwdm/scylla,victorbriz/scylla,aruanruan/scylla,kangkot/scylla,linearregression/scylla,raphaelsc/scylla,glommer/scylla,justintung/scylla,glommer/scylla,capturePointer/scylla,scylladb/scylla,gwicke/scylla,aruanruan/scylla,senseb/scylla,duarten/scylla,acbellini/scylla,tempbottle/scylla,phonkee/scylla,wildinto/scylla,scylladb/scylla,kjniemi/scylla,rentongzhang/scylla,gwicke/scylla,linearregression/scylla,tempbottle/scylla,stamhe/scylla,duarten/scylla,victorbriz/scylla,victorbriz/scylla,shaunstanislaus/scylla,asias/scylla,stamhe/scylla,bowlofstew/scylla,avikivity/scylla,capturePointer/scylla,dwdm/scylla,glommer/scylla,linearregression/scylla