Marking tst_qquicktextedit as insignificant in win

This test haven't passed in WIN after the stage was made blocking.

Change-Id: I246f96e98080845c5364aba720158dbd42a5f454
Task-number: QTBUG-32540
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Marking tst_qquickgridview as insignificant in win and macx

This test is flaky.

Task-number: QTBUG-33017
Change-Id: I589706937a6de44291694029afb11c05a285c1cd
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Fix currentIndex in Qml itemView when assigning an empty model

When assigning an empty model to e.g. a ListView after component
initialization has been completed, currentIndex is now correctly
set to -1.

Change-Id: I540c034944009ccb8894bf84f400658ef9f0371f
Task-number: QTBUG-32838
Reviewed-by: Alan Alpert <aalpert@blackberry.com>