[tests] Additional processing hints

Change-Id: I6c5537b3524a126eb5d6a3e9e1a927eb6c570d6d
---
M pywikibot/userinterfaces/terminal_interface_base.py
1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/pywikibot/userinterfaces/terminal_interface_base.py b/pywikibot/userinterfaces/terminal_interface_base.py
index 00b5360..6b9a587 100755
--- a/pywikibot/userinterfaces/terminal_interface_base.py
+++ b/pywikibot/userinterfaces/terminal_interface_base.py
@@ -205,8 +205,11 @@
     def flush(self):
         """Output cached text."""
         print('>>> flush:', self.cache.qsize())
+        if self.cache.qsize() and self.cache.empty():
+            print('######### SIZE is >0 but QUEUE is EMPTY #####')
         while not self.cache.empty():
             args, kwargs = self.cache.get_nowait()
+            print('###', args)
             self.stream_output(*args, **kwargs)
         print('<<< flush:', self.cache.qsize())
 

