[Bug 54517] riched20:editor - KDE? Clipboard interference causes test_EM_SETUNDOLIMIT() failures

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54517

--- Comment #3 from Eric Pouech  ---
__wine_clipboard_manager is likely forwarding the clipboard management to the
X11 clipboard, where all your desktop apps might come into play (and keep the
clipboard open for quite some time or not squashing several update events into
one)

some ways forward:
- could you bump the number of retries and wait time in send_paste to see if it
improves the situation?
- do could also isolate the tests from your desktop (using xvfb or xnest or
...)?