The first block of tst_QApplication::quitOnLastWindowClosed() hangs
on Mac OS X, so skip that block for now.
tst_QApplication::testDeleteLAter() both hangs and fails on Mac OS X,
so skip the test and XFAIL the failure.
Task-number: QTBUG-24318
Task-number: QTBUG-24319
Change-Id: Ice11292d84e63215f1bb9e03f3ef369943d1d887
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
Reviewed-by: Jason McDonald <jason.mcdonald@nokia.com>