Update Lib/test/test_unittest/testmock/testthreadingmock.py

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: chaope

Lib/test/test_unittest/testmock/testthreadingmock.py

@@ -215,8 +215,7 @@ def test_function():
         for thread in threads:
             thread.join()
 
-        self.assertEqual(m.call_count, LOOPS * THREADS,
-                        f"Expected {LOOPS * THREADS}, got {m.call_count}")
+        self.assertEqual(m.call_count, LOOPS * THREADS)
 
 
 if __name__ == "__main__":