Top flaky test: tst_qaccessibilitymac::treeViewTest on MacOS_11_00 ARM64.

Test case: tst_qaccessibilitymac::treeViewTest has failed on MacOS_11_00 ARM64 Clang
The test failed 5 times and was flaky 1 time last week.

Coin log excerpt from failed run:
agent:2023/12/16 04:16:53 build.go:404: 609: QDEBUG : tst_QAccessibilityMac::treeViewTest() AXUIElementCopyAttributeValue( "AXTitle" ) returned error = AXError(value=-25201, name=kAXErrorIllegalArgument, description="An illegal argument was passed to the function.")
agent:2023/12/16 04:16:53 build.go:404: 609: FAIL! : tst_QAccessibilityMac::treeViewTest() Compared values are not the same
agent:2023/12/16 04:16:53 build.go:404: 609: Actual (cellText(1, 0)): ""
agent:2023/12/16 04:16:53 build.go:404: 609: Expected (users->text(0)): "Users"
agent:2023/12/16 04:16:53 build.go:404: 609: Loc: [/Users/qt/work/qt/qtbase/tests/auto/other/qaccessibilitymac/tst_qaccessibilitymac.mm(803)]
...

Full log at : coin log
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