patch 9.0.2135: No test for mode() when executing Ex commands Commit: https://github.com/vim/vim/commit/fcaeb3d42b228e73c669b2fce78f1d3fe112769f Author: zeertzjq <zeertzjq@outlook.com> Date: Tue Nov 28 20:46:29 2023 +0100 patch 9.0.2135: No test for mode() when executing Ex commands Problem: No test for mode() when executing Ex commands Solution: Add some test cases and simplify several other test cases. Also add a few more test cases for ModeChanged. closes: #13588 Signed-off-by: zeertzjq <zeertzjq@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org>