Update test cases

Author: hyongtao-code

Lib/test/test_free_threading/test_set.py

@@ -149,7 +149,7 @@ def read_set():
             t.join()
 
     @threading_helper.reap_threads
-    def test_length_hint_used_race(self):
+    def test_length_hint_with_mutating_set(self):
         NUM_ITERS = 10
         NUM_THREADS = 10
         NUM_LOOPS = 2_000
@@ -185,24 +185,6 @@ def worker():
 
             threading_helper.run_concurrently(worker, nthreads=NUM_THREADS)
 
-    @threading_helper.reap_threads
-    def test_iternext_concurrent_exhaust_race(self):
-        NUM_ITERS = 10
-        NUM_THREADS = 10
-
-        for _ in range(NUM_ITERS):
-            s = set(range(64))
-            it = iter(s)
-
-            def worker():
-                while True:
-                    try:
-                        next(it)
-                    except StopIteration:
-                        break
-
-            threading_helper.run_concurrently(worker, nthreads=NUM_THREADS)
-
 
 @threading_helper.requires_working_threading()
 class SmallSetTest(RaceTestBase, unittest.TestCase):