gh-128657: Skip test_get_builtin_constructor when running with --parallel-threads...

The test modifies sys.modules and is not thread-safe.

diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index d1b04128bf6df3d4090844240e381ca5c2b51057..0c1680cfbce36b07c830e6756c1be3e0cd6f2f09 100644 (file)
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -253,6 +253,7 @@ class HashLibTestCase(unittest.TestCase):
     def test_new_upper_to_lower(self):
         self.assertEqual(hashlib.new("SHA256").name, "sha256")
 
+    @support.thread_unsafe("modifies sys.modules")
     def test_get_builtin_constructor(self):
         get_builtin_constructor = getattr(hashlib,
                                           '__get_builtin_constructor')