QNX: Fix QComboBox autotest

Change-Id: I9fe4da6e02921c0474bf7ef31a2ba14e751584bf
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
BlackBerry: Fix QDoubleSpinBox autotests

Change-Id: I380e983294c4467ad79f0835c05387a0ee155eb5
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
QNX: Fix QDockWidget autotest

Show translates to showFullScreen on some platforms. This patch
replaces show with showNormal in the "task248604_infiniteResize" test.
On BlackBerry the test is skipped because all top level windows are forced
fullscreen by the platform.

Change-Id: Ia974c3fcbd0c71c107f4cc3f8405b8ef79ffb5b7
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
QNX: Skip QGLBuffer autotest

see QTBUG-38275

Change-Id: If9a329b07f83ace77b05336d16534032310e0f82
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>