tst_QObjectRace::destroyRace flaky/failing on QNX

176692: ********* Start testing of tst_QObjectRace *********
FAIL! : tst_QObjectRace::destroyRace() 'threads[0]->wait(MAIN_THREAD_WAIT)' returned FALSE. ()
Loc: [/home/qt/work/qt/qtbase/tests/auto/other/qobjectrace/tst_qobjectrace.cpp(298)]
INFO : tst_QObjectRace::cleanupTestCase() entering
PASS : tst_QObjectRace::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 122295ms

The test: "qobjectrace::destroyRace" has failed.
You can find more information on its history by following the link below.
https://testresults.qt.io/grafana/d/3dhio4K7k/fastcheck?var-testCase=qobjectrace&var-testFunction=destroyRace

Build log: https://testresults.qt.io/logs/qt/qtbase/8b360ddd4bf22c21af468fb1c736c9d96c646c20/LinuxUbuntu_20_04x86_64QNXQNX_710x86_64GCCqtci-linux-Ubuntu-20.04-x86_64-50-1baa70/6d0be1bdcfc40fee02bc442b27f717d590dacc40/test_1652539797/log.txt.gz

Details: https://testresults.qt.io/coin/integration/qt/qtbase/tasks/1652539783