tst_InspectorServer::testPageList() failed on OS X 10.10

/Users/qt/work/qt/qtwebengine/tests/auto/quick/inspectorserver/target_wrapper.sh  ./tst_inspectorserver -o /Users/qt/work/testresults/tests/auto/quick/inspectorserver272574435,xml -o -,txt
 ********* Start testing of tst_InspectorServer *********
 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_InspectorServer::initTestCase()
 QFATAL : tst_InspectorServer::testPageList() Could not find QtWebEngineProcess
 FAIL!  : tst_InspectorServer::testPageList() Received a fatal error.
    Loc: [Unknown file(0)]
 Totals: 1 passed, 1 failed, 0 skipped, 0 blacklisted, 4720ms
 ********* Finished testing of tst_InspectorServer *********
 make: *** [check] Abort trap: 6