patch 9.0.1604: errors from the codestyle test are a bit confusing Commit: https://github.com/vim/vim/commit/abc8130d6a680026ffb2cc36b74d239e88f775d6 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 4 16:55:27 2023 +0100 patch 9.0.1604: errors from the codestyle test are a bit confusing Problem: Errors from the codestyle test are a bit confusing. Solution: Use assert_report() with a clearer message. Avoid a warning for an existing swap file.