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38a3af5dff
Fix flaky "shell command :! throttles shell-command output greater than ~10KB:":
[ RUN ] shell command :! throttles shell-command output greater than ~10KB:
warning: Screen changes were received after the expected state. This indicates
indeterminism in the test. Try adding screen:expect(...) (or wait()) between
asynchronous (feed(), nvim_input()) and synchronous API calls.
- Use screen:redraw_debug() to investigate; it may find relevant intermediate
states that should be added to the test to make it more robust.
- If the purpose of the test is to assert state after some user input sent
with feed(), adding screen:expect() before the feed() will help to ensure
the input is sent when Nvim is in a predictable state. This is preferable
to wait(), for being closer to real user interaction.
- wait() can trigger redraws and consequently generate more indeterminism.
Try removing wait().
ERR
test/functional/ui/screen.lua:579: Failed to match any screen lines.
Expected (anywhere): "
%."
Actual:
|XXXXXXXXXX 591 |
|XXXXXXXXXX 592 |
|XXXXXXXXXX 593 |
|XXXXXXXXXX 594 |
| |
| |
|{3:-- TERMINAL --} |
stack traceback:
test/functional/ui/screen.lua:579: in function '_wait'
test/functional/ui/screen.lua:367: in function 'expect'
test/functional/ui/output_spec.lua:63: in function <test/functional/ui/output_spec.lua:53>
Log: https://travis-ci.org/neovim/neovim/jobs/569082705#L5355
(gcc-functionaltest-lua)