patch 8.2.2267: Vim9: cannot use unlet for a dict member Commit: https://github.com/vim/vim/commit/c368957b1904bfaa2b0b52bbcade51b20173f3ed Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 1 19:40:02 2021 +0100 patch 8.2.2267: Vim9: cannot use unlet for a dict member Problem: Vim9: cannot use unlet for a dict member. Solution: Pass GLV_NO_DECL to get_lval(). (closes https://github.com/vim/vim/issues/7585)

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim