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

dot_vim/plugged/vimtex/test/test-completion-commands/test-custom-cmds.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 test-custom-cmds.tex
+
+if empty($INMAKE) | finish | endif
+
+" Test custom commands
+let s:candidates = vimtex#test#completion('\', 'test')
+call assert_equal(4, len(s:candidates))
+call assert_equal('testddc', s:candidates[0].word)
+call assert_equal('testnewcommand', s:candidates[1].word)
+call assert_equal('testpaireddelim', s:candidates[2].word)
+call assert_equal('testlet', s:candidates[3].word)
+
+" Test commands from packages (xparse in this case)
+let s:candidates = vimtex#test#completion('\', 'DeclareD')
+call assert_true(len(s:candidates) > 0)
+call assert_equal(s:candidates[0].word, 'DeclareDocumentCommand')
+
+" Test commands from custom glossaries
+let s:candidates = vimtex#test#completion('\', 'glsentry.*acc')
+call assert_true(len(s:candidates) > 0)
+call assert_equal(s:candidates[0].word, 'glsentrymaccusative')
+
+call vimtex#test#finished()