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

dot_vim/plugged/vimtex/test/test-commands/test-delim-toggle.vim

@@ -0,0 +1,25 @@
+set nocompatible
+let &rtp = '../..,' . &rtp
+filetype plugin on
+
+setfiletype tex
+
+
+" tsd  /  Toggle surrounding delimiter
+call vimtex#test#keys('3jtsd', [
+      \ '$\bigl(\begin{smallmatrix}',
+      \ '  \Q^* &   \\',
+      \ '       & 1 \\',
+      \ '\end{smallmatrix}\bigr)$',
+      \], [
+      \ '$(\begin{smallmatrix}',
+      \ '  \Q^* &   \\',
+      \ '       & 1 \\',
+      \ '\end{smallmatrix})$',
+      \])
+
+" Cf. #1620
+call vimtex#test#keys('f+tsd', '\( a^2 + b^2 = c^2 \)', '\( a^2 + b^2 = c^2 \)')
+
+
+call vimtex#test#finished()