uitest: add the ModelessDialogVisible event to the execute_blocked_action

Change-Id: I5496bf0bcce442c60d2ecd4207734d0e8b17935b
Reviewed-on: https://gerrit.libreoffice.org/61026
Tested-by: Jenkins
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

uitest/libreoffice/uno/eventlistener.py

@@ -44,6 +44,9 @@ class EventListener(XDocumentEventListener,unohelper.Base):
         if event.EventName in self.eventNames:
             self.executed = True
             self.eventExecuted.append(event.EventName)
+        else:
+            print(self.eventNames)
+            print(event.EventName)
 
     def hasExecuted(self, eventName):
         return eventName in self.eventExecuted

uitest/uitest/test.py

@@ -196,7 +196,7 @@ class UITest(object):
         """
 
         thread = threading.Thread(target=action, args=args)
-        with EventListener(self._xContext, ["DialogExecute", "ModelessDialogExecute"], printNames=printNames) as event:
+        with EventListener(self._xContext, ["DialogExecute", "ModelessDialogExecute", "ModelessDialogVisible"], printNames=printNames) as event:
             thread.start()
             time_ = 0
             # we are not necessarily opening a dialog, so wait much longer