Top flaky test: tst_printing::printHeaderAndFooter

Test case: tst_printing::printHeaderAndFooter has failed 5 times and was flaky 5 times last week.

The test has blocked around 5 Gerrit changes past week

Coin log excerpt from failed run:
agent:2024/11/01 21:52:21 build.go:404: FAIL! : tst_Printing::printHeaderAndFooter(PrintHeaderAndFooter enabled) Compared values are not the same
agent:2024/11/01 21:52:21 build.go:404: Actual (searchModel.count() == 1): 0
agent:2024/11/01 21:52:21 build.go:404: Expected (enabled) : 1
agent:2024/11/01 21:52:21 build.go:404: Loc: [/Users/qt/work/qt/qtwebengine/tests/auto/widgets/printing/tst_printing.cpp(233)]
agent:2024/11/01 21:52:21 build.go:404: [2831:48643:1101/215043.785333:ERROR:external_begin_frame_source_mac.cc(65)] DisplayLinkMac ID is not available. Switch to DelayBasedTimeSource(Timer) for BeginFrameSource.
...

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