QFATAL : tst_QWebSocket::tst_moveToThread() QThread: Destroyed while thread is still running

/home/qt/work/qt/qtwebsockets/tests/auto/websockets/qwebsocket/target_wrapper.sh  ./tst_qwebsocket -o /home/qt/work/testresults/tests/auto/websockets/qwebsocket011540430,xml -o -,txt
 ********* Start testing of tst_QWebSocket *********
 Config: Using QtTest library 5.11.0, Qt 5.11.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 5.3.1 20160406 (Red Hat 5.3.1-6))
 PASS   : tst_QWebSocket::initTestCase()
 PASS   : tst_QWebSocket::tst_initialisation(Default origin and version)
 PASS   : tst_QWebSocket::tst_initialisation(Specific origin and default version)
 PASS   : tst_QWebSocket::tst_initialisation(Specific origin and specific version)
 PASS   : tst_QWebSocket::tst_settersAndGetters()
 PASS   : tst_QWebSocket::tst_invalidOpen(Illegal local address)
 PASS   : tst_QWebSocket::tst_invalidOpen(URL containing new line in the hostname)
 PASS   : tst_QWebSocket::tst_invalidOpen(URL containing new line in the resource name)
 PASS   : tst_QWebSocket::tst_invalidOrigin()
 PASS   : tst_QWebSocket::tst_sendTextMessage()
 PASS   : tst_QWebSocket::tst_sendBinaryMessage()
 PASS   : tst_QWebSocket::tst_errorString()
 PASS   : tst_QWebSocket::tst_openRequest()
 QFATAL : tst_QWebSocket::tst_moveToThread() QThread: Destroyed while thread is still running
 FAIL!  : tst_QWebSocket::tst_moveToThread() Received a fatal error.
    Loc: [Unknown file(0)]
 Totals: 13 passed, 1 failed, 0 skipped, 0 blacklisted, 183ms
 ********* Finished testing of tst_QWebSocket *********
 make: *** [check] Aborted (core dumped)
 
 agent:2017/10/11 11:30:00 build.go:203: Process finished with error: exit status 2
 agent:2017/10/11 11:30:00 build.go:155: Error reading from stdout/err: exit status 2
 agent:2017/10/11 11:30:20 build.go:279: [make check -j1] 900 900
 /home/qt/work/qt/qtwebsockets/tests/auto/websockets/qwebsocket/target_wrapper.sh  ./tst_qwebsocket tst_moveToThread
 ********* Start testing of tst_QWebSocket *********
 Config: Using QtTest library 5.11.0, Qt 5.11.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 5.3.1 20160406 (Red Hat 5.3.1-6))
 PASS   : tst_QWebSocket::initTestCase()
 QFATAL : tst_QWebSocket::tst_moveToThread() [     0.000 F] default unknown - QThread: Destroyed while thread is still running
 FAIL!  : tst_QWebSocket::tst_moveToThread() Received a fatal error.
    Loc: [Unknown file(0)]
 Totals: 1 passed, 1 failed, 0 skipped, 0 blacklisted, 34ms
 ********* Finished testing of tst_QWebSocket *********
 make: *** [check] Aborted (core dumped)