Top flaky test: tst_qqmlinspector::connect on Ubuntu_20_04 X86_64.

Hello,
Test case: tst_qqmlinspector::connect has failed on Ubuntu_20_04 X86_64 GCC
The test failed 2 times and was flaky 2 times last week.

Coin log excerpt from failed run:
agent:2023/10/07 18:34:49 build.go:405: 60: FAIL! : tst_QQmlInspector::connect(rectangle/unrestricted) 'm_recipient->lastResult' returned FALSE. ()
agent:2023/10/07 18:34:49 build.go:405: 60: Loc: [/home/qt/work/qt/qtdeclarative/tests/auto/qml/debugger/qqmlinspector/tst_qqmlinspector.cpp(135)]
agent:2023/10/07 18:34:49 build.go:405: 60: QDEBUG : tst_QQmlInspector::connect(rectangle/unrestricted) Process State: "running"
agent:2023/10/07 18:34:49 build.go:405: 60: QDEBUG : tst_QQmlInspector::connect(rectangle/unrestricted) Application Output: "_IceTransSocketUNIXConnect: Cannot connect to non-local host localhost\n_IceTransSocketUNIXConnect: Cannot connect to non-local host localhost\nQt: Session management error: Could not open network socket\nQML Debugger: Waiting for connection on port 13773...\n"
agent:2023/10/07 18:34:49 build.go:405: 60: QDEBUG : tst_QQmlInspector::connect(rectangle/unrestricted) Connection State: "connected"
agent:2023/10/07 18:34:49 build.go:405: 60: QDEBUG : tst_QQmlInspector::connect(rectangle/unrestricted) "QmlInspector" State: "Enabled"
...

Full log at : coin log
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