yi-keymap-vim-0.13.7: tests/vimtests/blockvisual/9.test
-- Input (1,1) abcd abcd abcd abcd -- Output (2,3) abcd abD abCD abCD -- Events jjjlll<C-v>kkhgUx
-- Input (1,1) abcd abcd abcd abcd -- Output (2,3) abcd abD abCD abCD -- Events jjjlll<C-v>kkhgUx