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

dot_vim/plugged/vimtex/test/test-folding-bib/test.vim

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+set nocompatible
+let &rtp = '../..,' . &rtp
+filetype plugin on
+
+set fillchars=fold:\ 
+set number
+set foldcolumn=4
+
+nnoremap q :qall!<cr>
+
+call vimtex#log#set_silent()
+
+let g:vimtex_fold_bib_enabled = 1
+
+silent edit test.bib
+silent normal zM
+
+if empty($INMAKE) | finish | endif
+
+" Test foldexpr -- 'normal' cases
+call assert_equal(-1, foldclosed(1))
+call assert_equal(2, foldclosed(2))
+call assert_equal(2, foldclosed(5))
+call assert_equal(2, foldclosed(9))
+call assert_equal(9, foldclosedend(2))
+call assert_equal(9, foldclosedend(5))
+call assert_equal(9, foldclosedend(9))
+call assert_equal(-1, foldclosed(10))
+call assert_equal(-1, foldclosed(11))
+call assert_equal(-1, foldclosed(12))
+
+" Test foldexpr -- edge cases
+call assert_equal(62, foldclosed(62))
+call assert_equal(73, foldclosedend(62))
+call assert_equal(76, foldclosed(77))
+call assert_equal(87, foldclosedend(77))
+call assert_equal(90, foldclosed(91))
+call assert_equal(103, foldclosedend(91))
+call assert_equal(106, foldclosed(106))
+call assert_equal(107, foldclosedend(106))
+call assert_equal(110, foldclosed(111))
+call assert_equal(119, foldclosedend(111))
+
+" Test foldexpr -- whitespace outside entry
+call assert_equal(-1, foldclosed(60))
+call assert_equal(-1, foldclosed(61))
+call assert_equal(-1, foldclosed(74))
+call assert_equal(-1, foldclosed(75))
+call assert_equal(-1, foldclosed(88))
+call assert_equal(-1, foldclosed(89))
+call assert_equal(-1, foldclosed(104))
+call assert_equal(-1, foldclosed(105))
+
+" Test foldtext
+call assert_equal(28, b:vimtex_fold_bib_maxwidth)
+call assert_equal('@book{Ernst1987}              Principles of Nuclear Magnetic Resonance in One and Two Dimensions', foldtextresult(2))
+call assert_equal('@article{Kupce2021NRMP}       Parallel nuclear magnetic resonance spectroscopy', foldtextresult(13))
+call assert_equal('@set{ultrafast}               Frydman2002PNASUSA, Frydman2003JACS', foldtextresult(44))
+
+call assert_equal('@article{Kupce2021NRMP2}      ', foldtextresult(51))
+call assert_equal('@article{Kupce2021NRMP3}      Parallel nuclear magnetic resonance spectroscopy', foldtextresult(62))
+call assert_equal('@article{Kupce2021NRMP4}      Parallel nuclear magnetic resonance spectroscopy', foldtextresult(76))
+call assert_equal('@article{Kupce2021NRMP5}      Parallel nuclear magnetic resonance spectroscopy', foldtextresult(90))
+call assert_equal('+--  2 lines: @string{ NMR = ', foldtextresult(106))
+call assert_equal('@article{Kupce2021NRMP6}      Parallel nuclear magnetic resonance spectroscopy', foldtextresult(110))
+
+" Test foldtext with manual g:vimtex_fold_bib_max_key_width
+let g:vimtex_fold_bib_max_key_width = 20
+silent VimtexReload
+call assert_equal('@book{Ernst1987}      Principles of Nuclear Magnetic Resonance in One and Two Dimensions', foldtextresult(2))
+call assert_equal('@article{Kupce2021NR  Parallel nuclear magnetic resonance spectroscopy', foldtextresult(13))
+call assert_equal('@set{ultrafast}       Frydman2002PNASUSA, Frydman2003JACS', foldtextresult(44))
+call assert_equal('@article{Kupce2021NR  ', foldtextresult(51))
+
+call vimtex#test#finished()