Temporarily disable broken part of xwindow.py test

Apparently, at least for many builds there is am additional mouseExited/
mouseEntered event pair (making mouseEnteredEventsIntercepted = 2 and
mouseExitedEventsIntercepted = 1) initiated by the

  xToolkitRobot.mousePress(xMouseEvent2)

when the mouse pointer moves from the "Standard" window to the "writer_edit"
sub-window.  This needs further investigation.

Change-Id: Iecebdb8db2b0d0a051072ff1a20ac00e4dfcb06c
Reviewed-on: https://gerrit.libreoffice.org/72433Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>

sw/qa/uitest/writer_tests5/xwindow.py

@@ -168,10 +168,10 @@ class XWindow(UITestCase):
         self.assertEqual(2, mouseReleasedEventsIntercepted)
 
         global mouseEnteredEventsIntercepted
-        self.assertEqual(1, mouseEnteredEventsIntercepted)
+        #TODO: self.assertEqual(1, mouseEnteredEventsIntercepted)
 
         global mouseExitedEventsIntercepted
-        self.assertEqual(0, mouseExitedEventsIntercepted)
+        #TODO: self.assertEqual(0, mouseExitedEventsIntercepted)
 
         # close document
         self.ui_test.close_doc()