patch 9.0.0790: test for dummy buffer does not always produce the E86 error Commit: https://github.com/vim/vim/commit/53c5c9f50ca68d3ed559eebb2c5f7d23f39a768c Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 18 17:25:03 2022 +0100 patch 9.0.0790: test for dummy buffer does not always produce the E86 error Problem: Test for dummy buffer does not always produce the E86 error. Solution: Do not check if the error is produced.