tst_QWebEnginePage::mouseMovementProperties fails on macOS

/Users/qt/work/qt/qtwebengine/tests/auto/widgets/qwebenginepage/target_wrapper.sh ./tst_qwebenginepage mouseMovementProperties
2017-03-28 22:50:48.904 tst_qwebenginepage[1370:11755] ApplePersistenceIgnoreState: Existing state will not be touched. New state will be written to /var/folders/4p/q2h__94n78z4ff9gw2wjgjkr0000gn/T/org.qt-project.qt.tests.tst-qwebenginepage.savedState
********* Start testing of tst_QWebEnginePage *********
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_QWebEnginePage::initTestCase()
FAIL! : tst_QWebEnginePage::mouseMovementProperties() Compared values are not the same
Actual (((page.messages.count()))): 0
Expected (1) : 1
Loc: [tst_qwebenginepage.cpp(4778)]
PASS : tst_QWebEnginePage::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 23776ms
********* Finished testing of tst_QWebEnginePage *********