This test is like qguieventdispatcher, it duplicates a corelib test in
the gui test suite, since the QtGui library often gets a different event
dispatcher implementation from the platform plugin.
Change-Id: Ifd724066950bc3b98a804bc2e5d40ce7b0429af4
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
