tst_QSizeGrip::hideAndShowOnWindowStateChange fails on Android

agent:2020/09/24 10:34:32 build.go:302: FAIL!  : tst_QSizeGrip::hideAndShowOnWindowStateChange(Qt::Window) 'QTest::qWaitForWindowExposed(this)' returned FALSE. ()
agent:2020/09/24 10:34:32 build.go:302:    Loc: [tst_qsizegrip.cpp(81)]
agent:2020/09/24 10:34:32 build.go:302: FAIL!  : tst_QSizeGrip::hideAndShowOnWindowStateChange(Qt::Window) '(sizeGrip->isVisible())' returned FALSE. ()
agent:2020/09/24 10:34:32 build.go:302:    Loc: [tst_qsizegrip.cpp(112)]
agent:2020/09/24 10:34:32 build.go:302: FAIL!  : tst_QSizeGrip::orientation() 'QTest::qWaitForWindowExposed(this)' returned FALSE. ()
agent:2020/09/24 10:34:32 build.go:302:    Loc: [tst_qsizegrip.cpp(81)]
agent:2020/09/24 10:34:32 build.go:302: FAIL!  : tst_QSizeGrip::orientation() Compared values are not the same
agent:2020/09/24 10:34:32 build.go:302:    Loc: [tst_qsizegrip.cpp(157)]
agent:2020/09/24 10:34:32 build.go:302: Totals: 4 passed, 4 failed, 0 skipped, 0 blacklisted, 50025ms
agent:2020/09/24 10:34:32 build.go:302: make[3]: Leaving directory '/home/qt/work/qt/qtbase/tests/auto/widgets/widgets/qsizegrip'
agent:2020/09/24 10:34:32 build.go:302: make[2]: *** [Makefile:3133: sub-qsizegrip-check] Error 2