Rename the unittest test_suite function to not clash with a test module name (unittest.test.test_suite is now unambiguous).
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index 1e2b323..86a998b 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -4,7 +4,7 @@
 
 
 def test_main():
-    test_support.run_unittest(unittest.test.test_suite())
+    test_support.run_unittest(unittest.test.suite())
     test_support.reap_children()