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

dot_vim/plugged/vimtex/test/test-toc/test-keepwidth.vim

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+set nocompatible
+let &rtp = '../..,' . &rtp
+filetype plugin on
+
+nnoremap q :qall!<cr>
+
+let g:vimtex_toc_config = {
+      \ 'name': 'ToC',
+      \ 'split_width': 30,
+      \}
+
+silent edit main.tex
+
+VimtexTocOpen
+wincmd w
+vsplit
+close
+
+if empty($INMAKE) | finish | endif
+call assert_equal(30, winwidth(bufwinid('ToC')))
+
+call vimtex#test#finished()