The offset fields for tst_QTimeZone::specificTransition() had a
comment claiming they are in minutes; they are in fact in seconds, so
fix that. At the same time, Moscow hasn't had a time-zone change since
2017, so the end-date for one of the test intervals can be nudged a
little closer to the present without harm.
Change-Id: I66822cb758f7e00d6added801466a6745be3e31a
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
0828014b44