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

dot_vim/plugged/vimtex/test/test-completion-environments/test3.vim

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+set nocompatible
+let &rtp = '../..,' . &rtp
+filetype plugin on
+
+set nomore
+
+nnoremap q :qall!<cr>
+
+let g:vimtex_cache_root = '.'
+let g:vimtex_cache_persistent = 0
+
+silent edit test3.tex
+
+if empty($INMAKE) | finish | endif
+
+" Candidates from \newenvironment from custom classes
+let s:candidates = vimtex#test#completion('\begin{', 'test3')
+call assert_equal(len(s:candidates), 2)
+call assert_equal(s:candidates[0].word, 'test3Simple')
+call assert_equal(s:candidates[1].word, 'test3Boxed')
+
+call vimtex#test#finished()