The default constructor for QSettings does not set NoAccess status, even
if the organization domain, organization name, and application name are
empty. Instead of trying to fix QSettings, keep the existing behavior,
and test for it.
Failures from tst_QSettings no longer need to be ignored, so
mac:CONFIG+=insignificant_test has been removed from the .pro file.
Task-number: QTBUG-22745
Change-Id: Ic9f8b6821c483c217e1ef2ece704be2da169e340
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
2c3b2b4703