Disable mouse wheel event test.
Disable mouse wheel event test.

Test was broken by a change in qtdeclarative, see QTBUG-26431.

Change-Id: I98f0d0cf4113ebcb438c5998f05b19bad6abd883
Reviewed-by: Ian Chen <4647cc84a579898a3b0880227eafb39d49b3bbfd@nokia.com>

amccarthy/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation