tst_PointerHandlers::handlerInWindow() asserts on Windows

********* Start testing of tst_PointerHandlers *********
Config: Using QtTest library 5.12.0, Qt 5.12.0 (x86_64-little_endian-llp64 shared (dynamic) debug build; by MSVC 2017)
PASS   : tst_PointerHandlers::initTestCase()
PASS   : tst_PointerHandlers::touchEventDelivery(no synth)
PASS   : tst_PointerHandlers::touchEventDelivery(synth)
PASS   : tst_PointerHandlers::mouseEventDelivery()
PASS   : tst_PointerHandlers::touchReleaseOutside(reject and ignore)
PASS   : tst_PointerHandlers::touchReleaseOutside(reject and grab)
PASS   : tst_PointerHandlers::touchReleaseOutside(accept and ignore)
PASS   : tst_PointerHandlers::touchReleaseOutside(accept and grab)
FAIL!  : tst_PointerHandlers::dynamicCreation() Compared values are not the same
   Actual   (((eventItem1->eventList.size()))): 0
   Expected (2)                               : 2
tst_qquickpointerhandler.cpp(624) : failure location
QFATAL : tst_PointerHandlers::handlerInWindow() ASSERT: "pointerHandler->parentItem() == that" in file items\qquickitem.cpp, line 3283
FAIL!  : tst_PointerHandlers::handlerInWindow() Received a fatal error.
Unknown file(0) : failure location
Totals: 8 passed, 2 failed, 0 skipped, 0 blacklisted, 25810ms
********* Finished testing of tst_PointerHandlers *********