tst_QTouchEvent fails

qtouchevent.pro is missing CONFIG+=testcase and thus make check always succeeded. tests have been rotting over time.

• Crashed on Windows in deleteInRawEventTranslation
• Crashes on OS X in touchUpdateAndEndNeverPropagate

  ********* Start testing of tst_QTouchEvent *********
  Config: Using QtTest library 5.5.0, Qt 5.5.0 (x86_64-little_endian-lp64 shared (dynamic) debug build; by GCC 4.8.2)
  PASS   : tst_QTouchEvent::initTestCase()
  PASS   : tst_QTouchEvent::touchDisabledByDefault()
  FAIL!  : tst_QTouchEvent::touchEventAcceptedByDefault() 'touchEvent.isAccepted()' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(322)]
  PASS   : tst_QTouchEvent::touchBeginPropagatesWhenIgnored()
  PASS   : tst_QTouchEvent::touchUpdateAndEndNeverPropagate()
  FAIL!  : tst_QTouchEvent::basicRawEventTranslation() 'touchWidget.seenTouchBegin' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(633)]
  FAIL!  : tst_QTouchEvent::multiPointRawEventTranslationOnTouchScreen() 'leftWidget.seenTouchBegin' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(776)]
  FAIL!  : tst_QTouchEvent::multiPointRawEventTranslationOnTouchPad() 'leftWidget.seenTouchBegin' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(1006)]
  FAIL!  : tst_QTouchEvent::deleteInEventHandler() 'res && touchUpdateEvent.isAccepted() && !child1' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(1313)]
  FAIL!  : tst_QTouchEvent::deleteInRawEventTranslation() 'pl.isNull() && !pc.isNull() && !pr.isNull()' returned FALSE. ()
     Loc: [tst_qtouchevent.cpp(1401)]
  PASS   : tst_QTouchEvent::crashInQGraphicsSceneAfterNotHandlingTouchBegin()
  PASS   : tst_QTouchEvent::touchBeginWithGraphicsWidget()
  PASS   : tst_QTouchEvent::testQGuiAppDelivery()
  PASS   : tst_QTouchEvent::testMultiDevice()
  PASS   : tst_QTouchEvent::cleanupTestCase()
  Totals: 9 passed, 6 failed, 0 skipped, 0 blacklisted
  ********* Finished testing of tst_QTouchEvent *********