I broke up with neovim....vim is my best friend now

dot_vim/plugged/vimtex/test/test-syntax/test-conceal.vim

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+source common.vim
+
+highlight Conceal ctermfg=4 ctermbg=7 guibg=NONE guifg=blue
+
+let g:vimtex_syntax_conceal = {'sections': 1}
+let g:vimtex_syntax_custom_cmds = [
+      \ {'name': 'keyw', 'mathmode': 0, 'argstyle': 'boldital' , 'conceal': 1},
+      \]
+
+silent edit test-conceal.tex
+
+vsplit
+silent wincmd w
+silent windo set scrollbind
+set conceallevel=2
+
+if empty($INMAKE) | finish | endif
+quitall!