[vim/vim] tests: Test_statusline() is flaky (PR #20428)

[h_east]

Problem:  Test_statusline() occasionally fails in CI, reading buffer text
          instead of the status line (e.g. '9012...' instead of '57,39').
Solution: In s:get_statusline() redraw unconditionally and read the screen
          cells directly with screenstring(), instead of relying on
          ScreenLines() whose own redraw! can process events and change the
          window layout between the redraw and reading the cells.  This
          matches the already-stable s:Assert_match_statusline() helper in
          test_statuslineopt.vim.

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You can view, comment on, or merge this pull request online at:

  https://github.com/vim/vim/pull/20428

Commit Summary

• 6d26cf4 tests: Test_statusline() is flaky

File Changes

(1 file)

• M src/testdir/test_statusline.vim (8)

Patch Links:

• https://github.com/vim/vim/pull/20428.patch
• https://github.com/vim/vim/pull/20428.diff

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