gh-93247: Fix assert function in asyncio locks test (GH-93248)

(cherry picked from commit 9081bbd)

Co-authored-by: Cyker Way <cykerway@gmail.com>

Lib/test/test_asyncio/test_locks.py

@@ -866,7 +866,7 @@ async def c4(result):
         self.assertTrue(t1.result())
         race_tasks = [t2, t3, t4]
         done_tasks = [t for t in race_tasks if t.done() and t.result()]
-        self.assertTrue(2, len(done_tasks))
+        self.assertEqual(2, len(done_tasks))
 
         # cleanup locked semaphore
         sem.release()