Top flaky test: tst_QTextStream::stillOpenWhenAtEnd

Test case: tst_QTextStream::stillOpenWhenAtEnd has failed 63 times, crashed 0 and was flaky 1 time last week.

The test has blocked around 63 Gerrit changes past week

Coin log excerpt from failed run:
agent:2025/02/07 14:04:39 build.go:404: FAIL! : tst_QTextStream::stillOpenWhenAtEnd() 'socket.waitForReadyRead(5000)' returned FALSE. ()
agent:2025/02/07 14:04:39 build.go:404: Loc: [/home/qt/work/qt/qtbase/tests/auto/corelib/serialization/qtextstream/tst_qtextstream.cpp(1208)]
...

Full log at : coin log
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Information about the Qt test system: qt test execution information