patch 8.1.1935: test for text property popup window is flaky Commit: https://github.com/vim/vim/commit/57441d6fa0ba44be8dc16d6469a8659afc2f3b81 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 28 22:38:07 2019 +0200 patch 8.1.1935: test for text property popup window is flaky Problem: Test for text property popup window is flaky. Solution: Remove the undo message

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