Eliminated usage of qttest_p4.prf
Eliminated usage of qttest_p4.prf

This was missed by e3894ee7b759998c1809a7c43b485489bb862cbc since the
test is new.

Change-Id: I1350ad5d964d2f452f83c21f36cbf7735c28437c
Reviewed-on: http://codereview.qt-project.org/6630
Reviewed-by: Andrew Stanley-Jones <3158427ccc6af852b3b80aff3045d95d14f60128@nokia.com>

qtproject/qtsystems,qtproject/qtsystems