tst_QMediaPlayerBackend failed on macOS 10.12

/Users/qt/work/qt/qtmultimedia/tests/auto/integration/qmediaplayerbackend/target_wrapper.sh  ./tst_qmediaplayerbackend -o /Users/qt/work/testresults/tests/auto/integration/qmediaplayerbackend684388946,xml -o -,txt
********* Start testing of tst_QMediaPlayerBackend *********
Config: Using QtTest library 5.9.0, Qt 5.9.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 8.0.0 (clang-800.0.42.1) (Apple))
PASS   : tst_QMediaPlayerBackend::initTestCase()
PASS   : tst_QMediaPlayerBackend::construction()
PASS   : tst_QMediaPlayerBackend::loadMedia()
FAIL!  : tst_QMediaPlayerBackend::unloadMedia() '(player.position() > 0)' returned FALSE. ()
   Loc: [tst_qmediaplayerbackend.cpp(300)]
FAIL!  : tst_QMediaPlayerBackend::playPauseStop() Compared values are not the same
   Loc: [tst_qmediaplayerbackend.cpp(340)]
FAIL!  : tst_QMediaPlayerBackend::processEOS() Compared values are not the same
   Loc: [tst_qmediaplayerbackend.cpp(487)]
FAIL!  : tst_QMediaPlayerBackend::deleteLaterAtEOS() 'player.isNull()' returned FALSE. ()
   Loc: [tst_qmediaplayerbackend.cpp(594)]
PASS   : tst_QMediaPlayerBackend::volumeAndMuted()
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(100 unmuted)
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(50 unmuted)
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(0 unmuted)
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(100 muted)
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(50 muted)
PASS   : tst_QMediaPlayerBackend::volumeAcrossFiles(0 muted)
FAIL!  : tst_QMediaPlayerBackend::initialVolume() Compared values are not the same
   Loc: [tst_qmediaplayerbackend.cpp(710)]
SKIP   : tst_QMediaPlayerBackend::seekPauseSeek() No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(727)]
SKIP   : tst_QMediaPlayerBackend::seekInStoppedState() No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(797)]
SKIP   : tst_QMediaPlayerBackend::subsequentPlayback() Sound format is not supported
   Loc: [tst_qmediaplayerbackend.cpp(921)]
SKIP   : tst_QMediaPlayerBackend::probes() No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(956)]
SKIP   : tst_QMediaPlayerBackend::playlist() QMediaPlayer does not support loading M3U playlists as QMediaPlaylist
   Loc: [tst_qmediaplayerbackend.cpp(1007)]
FAIL!  : tst_QMediaPlayerBackend::playlistObject() Compared values are not the same
   Loc: [tst_qmediaplayerbackend.cpp(1172)]
SKIP   : tst_QMediaPlayerBackend::surfaceTest(RGB formats) No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(1320)]
SKIP   : tst_QMediaPlayerBackend::surfaceTest(YVU formats) No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(1320)]
SKIP   : tst_QMediaPlayerBackend::surfaceTest(RGB & YUV formats) No supported video file
   Loc: [tst_qmediaplayerbackend.cpp(1320)]
SKIP   : tst_QMediaPlayerBackend::metadata() No supported media file
   Loc: [tst_qmediaplayerbackend.cpp(1337)]
PASS   : tst_QMediaPlayerBackend::cleanupTestCase()
Totals: 11 passed, 6 failed, 9 skipped, 0 blacklisted, 115690ms
********* Finished testing of tst_QMediaPlayerBackend *********
make: *** [check] Error 6