pythongh-133885: skip test_compress_locking in test_zstd (pythonGH-133943)

(cherry picked from commit e8665d4)

Co-authored-by: sobolevn <[email protected]>

Author: sobolevn

Lib/test/test_zstd.py

@@ -2426,6 +2426,7 @@ def test_buffer_protocol(self):
             self.assertEqual(f.write(arr), LENGTH)
             self.assertEqual(f.tell(), LENGTH)
 
+@unittest.skip("it fails for now, see gh-133885")
 class FreeThreadingMethodTests(unittest.TestCase):
 
     @unittest.skipUnless(Py_GIL_DISABLED, 'this test can only possibly fail with GIL disabled')