Issue #11223: fix test_dummy_threading, add _dummy_thread.info()
diff --git a/Lib/_dummy_thread.py b/Lib/_dummy_thread.py
index 13b1f26..f2465a9 100644
--- a/Lib/_dummy_thread.py
+++ b/Lib/_dummy_thread.py
@@ -149,3 +149,6 @@
     else:
         global _interrupt
         _interrupt = True
+
+def info():
+    return {'name': 'dummy'}