tst_QQmlPreview::fps() failed on win7+mingw

agent:2019/09/27 17:35:52 build.go:220: ********* Start testing of tst_QQmlPreview *********
agent:2019/09/27 17:35:52 build.go:220: Config: Using QtTest library 5.15.0, Qt 5.15.0 (i386-little_endian-ilp32 shared (dynamic) release build; by GCC 7.3.0)
agent:2019/09/27 17:35:52 build.go:220: PASS   : tst_QQmlPreview::initTestCase()
agent:2019/09/27 17:35:53 build.go:220: PASS   : tst_QQmlPreview::connect()
agent:2019/09/27 17:36:02 build.go:220: PASS   : tst_QQmlPreview::load()
agent:2019/09/27 17:36:04 build.go:220: PASS   : tst_QQmlPreview::rerun()
agent:2019/09/27 17:36:04 build.go:220: PASS   : tst_QQmlPreview::blacklist()
agent:2019/09/27 17:36:05 build.go:220: PASS   : tst_QQmlPreview::error()
agent:2019/09/27 17:36:06 build.go:220: PASS   : tst_QQmlPreview::zoom()
agent:2019/09/27 17:36:36 build.go:220: FAIL!  : tst_QQmlPreview::fps() 'm_frameStats.numSyncs > 10' returned FALSE. ()
agent:2019/09/27 17:36:36 build.go:220: tst_qqmlpreview.cpp(341) : failure location
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Process State: "running"
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Application Output: "QML Debugger: Waiting for connection on port 13773...\r\nsetGeometry: Unable to set geometry 100x100+590+330 (frame: 116x138+582+300) on QQuickWindow_QML_2/\"\" on \"\\\\.\\DISPLAY1\". Resulting geometry: 116x100+590+330 (frame: 132x138+582+300) margins: 8, 30, 8, 8)\r\nqml: 987 100.80000000000001 ms/degrees \r\nqml: 987 100.80000000000001 ms/degrees \r\nqml: 999 100.69999999999999 ms/degrees \r\nqml: 1000 100.69999999999999 ms/degrees \r\nqml: 999 100.5 ms/degrees \r\nqml: 998 100.5 ms/degrees \r\nqml: 999 100.5 ms/degrees \r\nqml: 999 100.5 ms/degrees \r\nqml: 999 100.4 ms/degrees \r\nqml: 999 100.4 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.1 ms/degrees \r\nqml: 999 100.1 ms/degrees \r\nqml: 999 100 ms/degrees \r\nqml: 999 100 ms/degrees \r\nqml: 999 99.80000000000001 ms/degrees \r\nqml: 999 99.80000000000001 ms/degrees \r\nqml: 999 100.80000000000001 ms/degrees \r\nqml: 999 100.80000000000001 ms/degrees \r\nqml: 999 100.69999999999999 ms/degrees \r\nqml: 1000 100.69999999999999 ms/degrees \r\nqml: 999 100.59999999999997 ms/degrees \r\nqml: 998 100.59999999999997 ms/degrees \r\nqml: 999 100.5 ms/degrees \r\nqml: 999 100.5 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100 ms/degrees \r\nqml: 999 100 ms/degrees \r\nqml: 999 99.89999999999998 ms/degrees \r\nqml: 999 99.89999999999998 ms/degrees \r\nqml: 999 100.89999999999998 ms/degrees \r\nqml: 999 100.89999999999998 ms/degrees \r\nqml: 999 100.69999999999999 ms/degrees \r\nqml: 999 100.69999999999999 ms/degrees \r\nqml: 999 100.60000000000002 ms/degrees \r\nqml: 999 100.60000000000002 ms/degrees \r\nqml: 999 100.50000000000003 ms/degrees \r\nqml: 999 100.50000000000003 ms/degrees \r\nqml: 999 100.40000000000003 ms/degrees \r\nqml: 999 100.40000000000003 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.30000000000001 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.19999999999999 ms/degrees \r\nqml: 999 100.10000000000002 ms/degrees \r\nqml: 999 100.10000000000002 ms/degrees \r\n"
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Connection State: "connected"
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() "QmlPreview" State: "Enabled"
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Files loaded: ("C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/qtquick2.qml")
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Files not loaded: ("C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/qml", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/qrc:/qt-project.org/imports", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml_en_US.qm", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml_en_US", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml_en.qm", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml_en", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml.qm", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml_", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/i18n/qml", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/+en_US", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/+windows", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/+winnt", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/qmldir", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/Date.qml", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data/Date.ui.qml")
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Directories loaded: ("C:/Users/qt/work/install", "C:/Users", "C:/Users/qt", "C:/Users/qt/work", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview", "C:/Users/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlpreview/data")
agent:2019/09/27 17:36:36 build.go:220: QDEBUG : tst_QQmlPreview::fps() Errors reported: ()
agent:2019/09/27 17:36:37 build.go:220: PASS   : tst_QQmlPreview::language()
agent:2019/09/27 17:36:37 build.go:220: PASS   : tst_QQmlPreview::cleanupTestCase()
agent:2019/09/27 17:36:37 build.go:220: Totals: 9 passed, 1 failed, 0 skipped, 0 blacklisted, 44797ms
agent:2019/09/27 17:36:37 build.go:220: ********* Finished testing of tst_QQmlPreview *********