Hi, In the test[0] of vim. I think the issue is that the sleep time is not long enough. Sleep for 200ms is possible to pass the test, though the possibility is not that high. I think sleep for 2 seconds might be a good option. Should we just submit a patch to Debian?
[0]: https://github.com/vim/vim/blob/master/src/testdir/test_buffer.vim#L549-L561 Best, Zhaoming
