I can't reproduce the issue after hundreds of iterations on OpenSUSE,
and the test hasn't flaked at all in the last 3 months according to our
dashboards.
Task-number: QTBUG-66371
Change-Id: I9c4daf851e09fbcb47a6ab39418e7b213ccd9dfe
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>