WebEngineViewSingleFileUpload::test_acceptDirectory() fails

********* Start testing of qmltests *********
 Config: Using QtTest library 5.6.1, Qt 5.6.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 6.0 (clang-600.0.57) (Apple))
 PASS   : qmltests::WebEngineViewSingleFileUpload::initTestCase()
 FAIL!  : qmltests::WebEngineViewSingleFileUpload::test_acceptDirectory() 'verify()' returned FALSE. ()
    Loc: [/Users/qt/work/qt/qtwebengine/tests/auto/quick/qmltests/data/tst_filePicker.qml(114)]
 PASS   : qmltests::WebEngineViewSingleFileUpload::cleanupTestCase()
 QWARN  : qmltests::UnknownTestFunc() 
 WARNING: This project is using the testsupport QML API extensions for QtWebEngine and is therefore tied to a specific QtWebEngine release.
 WARNING: The testsupport API will change from version to version, or even be removed. You have been warned!
 
 Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted
 ********* Finished testing of qmltests *********
 make: *** [check] Error 1