tst_QString::localeAwareCompare() is failing since
ab448f731e because the 'C' locale no
longer initializes ICU and falls back to simple QString comparison.
Fix it by explicitly setting the locale for the testdata to en_US so the
QCollator is properly initialized.
Task-number: QTBUG-73116
Change-Id: I9d4d55e666c5c52f93298dedb7e22da01a25318d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 9d2923c1b0)
Reviewed-by: Christian Ehrlicher <ch.ehrlicher@gmx.de>
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
9f8589befe