Fixed #9310: backported logging fix from 2.7.
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 9af2818..27eeb27 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -69,6 +69,12 @@
finally:
logging._releaseLock()
+ # Set two unused loggers: one non-ASCII and one Unicode.
+ # This is to test correct operation when sorting existing
+ # loggers in the configuration code. See issues 8201, 9310.
+ logging.getLogger("\xab\xd7\xbb")
+ logging.getLogger(u"\u013f\u00d6\u0047")
+
self.root_logger = logging.getLogger("")
self.original_logging_level = self.root_logger.getEffectiveLevel()