tst_QSequentialAnimationGroup is flaky on webOS

tst_QSequentialAnimationGroup failed occasionally on webOS automation unit test on QEMU platform.

FAIL! : tst_QSequentialAnimationGroup::groupWithZeroDurationAnimations() 'o2val > 13' returned FALSE. ()

Loc: [/usr/src/debug/qtbase/6.9.0-r0/git/tests/auto/corelib/animation/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp(986)]

FAIL! : tst_QSequentialAnimationGroup::finishWithUncontrolledAnimation() Compared values are not the same

Actual (notTimeDriven.currentLoopTime()): 300

Expected (actualDuration) : 447

Loc: [/usr/src/debug/qtbase/6.9.0-r0/git/tests/auto/corelib/animation/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp(1416)]

Other test cases of animation group has similar errors. e.g., tst_QParallelAnimationGroup

FAIL! : tst_QParallelAnimationGroup::deleteChildrenWithRunningGroup() 'group.currentLoopTime() > 0' returned FALSE. ()

Loc: [/usr/src/debug/qtbase/6.9.0-r0/git/tests/auto/corelib/animation/qparallelanimationgroup/tst_qparallelanimationgroup.cpp(467)]

https://code.qt.io/cgit/qt/qtbase.git/tree/tests/auto/corelib/animation/qsequentialanimationgroup/tst_qsequentialanimationgroup.cpp#n986

https://code.qt.io/cgit/qt/qtbase.git/tree/tests/auto/corelib/animation/qparallelanimationgroup/tst_qparallelanimationgroup.cpp#n467