fix tests for refleak check mode

Author: kumaraditya303

Lib/test/test_free_threading/test_type.py

@@ -4,7 +4,7 @@
 from concurrent.futures import ThreadPoolExecutor
 from threading import Thread
 from unittest import TestCase
-
+import sys
 from test.support import import_helper, threading_helper
 
 _testinternalcapi = import_helper.import_module("_testinternalcapi")
@@ -184,7 +184,7 @@ def test_per_type_cache_concurrent_reads(self):
         class C:
             pass
 
-        names = [f"attr_{i}" for i in range(
+        names = [sys.intern(f"attr_{i}") for i in range(
             _testinternalcapi._Py_TYPECACHE_MINSIZE * 4)]
         for name in names:
             setattr(C, name, name)

Lib/test/test_type_cache.py

@@ -1,5 +1,6 @@
 """ Tests for the internal type cache in CPython. """
 import dis
+import sys
 import unittest
 import warnings
 from test import support
@@ -310,9 +311,10 @@ def test_lookup_on_static_type(self):
         # The cache for static types is stored on interpreter for isolation
         # between subinterpreters, test that cache works for them as well.
         self.type_cache_invalidate(int)
-        self.assertEqual(self.type_cache_lookup(int, "bit_length")[0], 0)
-        attr = int.bit_length
-        hit, value, _ = self.type_cache_lookup(int, "bit_length")
+        name = sys.intern("bit_length")
+        self.assertEqual(self.type_cache_lookup(int, name)[0], 0)
+        attr = getattr(int, name)
+        hit, value, _ = self.type_cache_lookup(int, name)
         self.assertEqual(hit, 1)
         self.assertIs(value, attr)