Allow network request from background thread by proxing it to main
thread if needed.
Introduce "fetchHelper" which is stored on heap and owns
"outgoingData" which must be valid during entire fetch operation.
It is also used for synchronization between thread that has
scheduled fetch operation and the one that is executing it.
Enable the test that was skipped before fix.
Fixes: QTBUG-124111
Change-Id: Ifafa4c40fa435122639fa861a61fbf96340a7747
Reviewed-by: Piotr Wierciński <piotr.wiercinski@qt.io>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
Match the standard one-test-per-directory setup.
Change-Id: I0e29e3c5626ef5f739b1680d53a2a74f0c77f9be
Reviewed-by: Piotr Wierciński <piotr.wiercinski@qt.io>
Reviewed-by: Jøger Hansegård <joger.hansegard@qt.io>
