Update test

Author: aisk

Lib/test/test_concurrent_futures/test_interpreter_pool.py

@@ -505,7 +505,7 @@ def test_thread_name_prefix(self):
 
     @unittest.skipUnless(hasattr(_thread, '_get_name'), "missing _thread._get_name")
     def test_thread_name_prefix_with_thread_get_name(self):
-        def f():
+        def get_thread_name():
             import _thread
             return _thread._get_name()