patch 8.1.0456: running test hangs when the input file is being edited commit https://github.com/vim/vim/commit/d8f27b30d6ec0bcfcb8f44c6201e36c003d1ce88 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 7 15:42:07 2018 +0200 patch 8.1.0456: running test hangs when the input file is being edited Problem: Running test hangs when the input file is being edited. Solution: Use a SwapExists autocommand to ignore editing the test script.