tst_QWebEnginePage::comboBoxPopupPositionAfterChildMove() and comboBoxPopupPositionAfterMove() fail

/Users/qt/work/qt/qtwebengine/tests/auto/widgets/qwebenginepage/target_wrapper.sh  ./tst_qwebenginepage comboBoxPopupPositionAfterMove
 ********* Start testing of tst_QWebEnginePage *********
 Config: Using QtTest library 5.8.0, Qt 5.8.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 7.0.2 (clang-700.1.81) (Apple))
 PASS   : tst_QWebEnginePage::initTestCase()
 <<<< VTVideoEncoderSelection >>>> VTSelectAndCreateVideoEncoderInstanceInternal: no video encoder found for 'avc1'
 
 [12:11:11.438] VTSelectAndCreateVideoEncoderInstanceInternal signalled err=-12908 (err) (Video encoder not available) at /SourceCache/CoreMedia_frameworks/CoreMedia-1562.238/Sources/VideoToolbox/VTVideoEncoderSelection.c line 1245
 [12:11:11.438] VTCompressionSessionCreate signalled err=-12908 (err) (Could not select and open encoder instance) at /SourceCache/CoreMedia_frameworks/CoreMedia-1562.238/Sources/VideoToolbox/VTCompressionSession.c line 946
 2016-08-05 12:11:12.470 QtWebEngineProcess[1303:9333] Couldn't set selectedControlColor from default ()
 FAIL!  : tst_QWebEnginePage::comboBoxPopupPositionAfterMove() Compared values are not the same
    Actual   (popupPos + offset): QPoint(12,13)
    Expected (popup->position()): QPoint(0,0)
    Loc: [tst_qwebenginepage.cpp(3139)]
 PASS   : tst_QWebEnginePage::cleanupTestCase()
 Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 1779ms
 ********* Finished testing of tst_QWebEnginePage *********