Fixup from test_ssl test_default_ecdh_curve (GH-11877)

stratakis · tiran · vstinner · commit 28eb87f4f558 · 2019-02-15T17:18:58.000+01:00
Partial backport from cb5b68a Co-authored-by: Christian Heimes <christian@python.org>
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
@@ -2860,6 +2860,9 @@ def test_default_ecdh_curve(self):
             # should be enabled by default on SSL contexts.
             context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             context.load_cert_chain(CERTFILE)
+            # TLSv1.3 defaults to PFS key agreement and no longer has KEA in
+            # cipher name.
+            context.options |= ssl.OP_NO_TLSv1_3
             # Prior to OpenSSL 1.0.0, ECDH ciphers have to be enabled
             # explicitly using the 'ECCdraft' cipher alias.  Otherwise,
             # our default cipher list should prefer ECDH-based ciphers
