Neptune UI fails autotest on 5.14 branch

Neptune UI Fails autotest on 5.14 branch (5052fee2718cac16bd5950db359a9a7e7b5239f7)

Same error on Linux, MacOs and Windows:

agent:2020/02/25 19:59:07 build.go:546: Executing instruction 35 of 36 - RunQtUnitTest
agent:2020/02/25 19:59:07 build.go:707: Running tests in directory /Users/qt/work/qt-apps/neptune3-ui/tests/qmltests
agent:2020/02/25 19:59:07 runner.go:74: Generating test results with TESTARGS=-o /Users/qt/work/testresults/tests/qmltests123022890,xml -o /Users/qt/work/testresults/tests/qmltests123022890-junit,xunitxml -o -,txt
agent:2020/02/25 19:59:07 build.go:382: [make check -j1] 900 900
agent:2020/02/25 19:59:07 build.go:276: [make check -j1] 900 900 false false
agent:2020/02/25 19:59:15 build.go:253: /Users/qt/work/install/bin/qmake -o Makefile qmltests.pro INSTALL_PREFIX=/Users/qt/work/install
agent:2020/02/25 19:59:15 build.go:253: /Users/qt/work/qt-apps/neptune3-ui/tests/qmltests/target_wrapper.sh ./neptune-qmltestsrunner.app/Contents/MacOS/neptune-qmltestsrunner -o /Users/qt/work/testresults/tests/qmltests123022890,xml -o /Users/qt/work/testresults/tests/qmltests123022890-junit,xunitxml -o -,txt -import "/Users/qt/work/qt-apps/neptune3-ui/imports_shared" -import "/Users/qt/work/qt-apps/neptune3-ui/imports_system" -import "/Users/qt/work/qt-apps/neptune3-ui/sysui" -import "/Users/qt/work/qt-apps/neptune3-ui/tests/dummyimports" -import "/Users/qt/work/install/neptune3/imports_system" -import "/Users/qt/work/install/neptune3/imports_shared"
{{agent:2020/02/25 19:59:19 build.go:253: file:///Users/qt/work/qt-apps/neptune3-ui/tests/qmltests/tst_ApplicationWidget.qml:43:5: Type ApplicationWidget unavailable }}
{{agent:2020/02/25 19:59:19 build.go:253: ApplicationWidget { }}
agent:2020/02/25 19:59:19 build.go:253: ^
{{agent:2020/02/25 19:59:19 build.go:253: file:///Users/qt/work/qt-apps/neptune3-ui/sysui/home/ApplicationWidget.qml:126:9: Cannot assign to non-existent property "iconRectWidth" }}
{{agent:2020/02/25 19:59:19 build.go:253: iconRectWidth: implicitWidth }}
agent:2020/02/25 19:59:19 build.go:253: ^
agent:2020/02/25 19:59:19 build.go:253: make: *** [check] Error 1
agent:2020/02/25 19:59:19 build.go:304: Process finished with error: exit status 2