patch 8.2.4384: Vim9: error message not tested, some code not tested Commit: https://github.com/vim/vim/commit/bc510064027da8024d59460c9c816aea4ffac096 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 14 21:19:04 2022 +0000 patch 8.2.4384: Vim9: error message not tested, some code not tested Problem: Vim9: error message not tested, some code not tested. Solution: Add a couple of test cases. Give an error for a command modifier without a command.