Test case: tst_qhttpserver::pipelinedRequests has failed 5 times and was flaky 5 times last week.

Coin log excerpt from failed run:
agent:2024/09/14 13:30:01 build.go:404: 2: FAIL! : tst_QHttpServer::pipelinedRequests(https/1.1) 'http2Used.isValid()' returned FALSE. ()
agent:2024/09/14 13:30:01 build.go:404: 2: Loc: [/Users/qt/work/qt/qthttpserver/tests/auto/qhttpserver/tst_qhttpserver.cpp(1180)]
...

Full log at : coin log
Statistics about test fails: link to grafana dashboard

Information about the Qt test system: qt test execution information