Use PQ Default Policy for testing (#631)

Author: alexw91

awscrt/io.py

@@ -274,6 +274,9 @@ class TlsCipherPref(IntEnum):
        introduce minor changes that could cause the final Kyber standard to differ from the Kyber Round 3 implementation
        available in this preference list."""
 
+    PQ_DEFAULT = 8  # :
+    """Recommended default policy with post-quantum algorithm support. This policy may change over time."""
+
     def is_supported(self):
         """Return whether this Cipher Preference is available in the underlying platform's TLS implementation"""
         return _awscrt.is_tls_cipher_supported(self.value)

test/test_http_client.py

@@ -368,9 +368,9 @@ def test_h2_client(self):
 
         self.assertEqual(None, connection.close().exception(self.timeout))
 
-    @unittest.skipIf(not TlsCipherPref.PQ_TLSv1_0_2021_05.is_supported(), "Cipher pref not supported")
-    def test_connect_pq_tlsv1_0_2021_05(self):
-        self._test_connect(secure=True, cipher_pref=TlsCipherPref.PQ_TLSv1_0_2021_05)
+    @unittest.skipIf(not TlsCipherPref.PQ_DEFAULT.is_supported(), "Cipher pref not supported")
+    def test_connect_pq_default(self):
+        self._test_connect(secure=True, cipher_pref=TlsCipherPref.PQ_DEFAULT)
 
 
 if __name__ == '__main__':